Xanthium Linnaeus (Q2807)

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Xanthium is a taxon with the rank genus within the tribe Heliantheae

Language	Label	Description	Also known as
English	Xanthium Linnaeus	Xanthium is a taxon with the rank genus within the tribe Heliantheae

Statements

taxon/id/Xanthium Linnaeus

0 references

taxon

1 reference

Xanthium Linnaeus

Xanthium

taxon authority

Linnaeus

FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 21: Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Oxford University Press, New York.

accepted

1 reference

Database of Vascular Plants of Canada

Xanthium

1 reference

Database of Vascular Plants of Canada

taxon authority

Linnaeus

1 reference

Database of Vascular Plants of Canada

1 reference

Database of Vascular Plants of Canada

accepted

1 reference

Database of Vascular Plants of Canada

VasCan taxon numeric id

1832

1 reference

Database of Vascular Plants of Canada

1 reference

Database of Vascular Plants of Canada

herb

1 reference

Database of Vascular Plants of Canada

3089139

1 reference

Global Biodiversity Information Facility

Lampourde (English)

1 reference

Flora of North America

New World

1 reference

Flora of North America

nearly worldwide

1 reference

Flora of North America

taxon description fragment

Stems erect, branched.

1 reference

Flora of North America

taxon description fragment id

d0_s1

petiolate;

1 reference

Flora of North America

taxon description fragment id

d0_s4

blades lanceolate, linear, ovate, rounded-deltate, or suborbiculate, often ± palmately or pinnately lobed, ultimate margins entire or ± toothed, faces hirtellous or ± strigose, usually glanddotted as well.

1 reference

Flora of North America

taxon description fragment id

d0_s5

Heads discoid, either pistillate (proximal) or functionally staminate (distal), in racemiform to spiciform arrays or borne singly (in axils).

1 reference

Flora of North America

taxon description fragment id

d0_s6

Pistillate heads: involucres ± ellipsoid, 2–5+ mm diam. at anthesis (6–20+ mm diam. at maturity);

1 reference

Flora of North America

taxon description fragment id

d0_s7

phyllaries 30–75+ in 6–12+ series, outer 5–8 distinct, the rest (sometimes interpreted as paleae) proximally connate, their distinct tips mostly ± hooked (the distal 1–3 usually longer, stouter, and not hooked), the whole becoming a hard, prickly perigynium (a bur);

1 reference

Flora of North America

taxon description fragment id

d0_s8

florets 2, corollas 0.

1 reference

Flora of North America

taxon description fragment id

d0_s9

Staminate heads: involucres ± saucer-shaped, 3–5 mm diam.;

1 reference

Flora of North America

taxon description fragment id

d0_s10

phyllaries 6–16+ in 1–2+ series, distinct to bases;

1 reference

Flora of North America

taxon description fragment id

d0_s11

receptacles conic to columnar;

1 reference

Flora of North America

taxon description fragment id

d0_s12

paleae spatulate to cuneiform or linear, membranous, distally ± villous or hirtellous;

1 reference

Flora of North America

taxon description fragment id

d0_s13

florets 20–50+, corollas whitish, ± funnelform, lobes 5, erect or reflexed (filaments connate, anthers distinct or weakly coherent).

1 reference

Flora of North America

taxon description fragment id

d0_s14

Cypselae (black) ± fusiform, enclosed in obovoid to ellipsoid, hard, prickly, 2-chambered burs;

1 reference

Flora of North America

taxon description fragment id

d0_s15

x = 18.

1 reference

Flora of North America

taxon description fragment id

d0_s17

morphology statement

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

erect

1 reference

Flora of North America

d0_s1

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

branched

1 reference

Flora of North America

d0_s1

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

cauline

1 reference

Flora of North America

d0_s4

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

alternate

morphology statement value modifier

mostly

1 reference

Flora of North America

d0_s4

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

petiolate

1 reference

Flora of North America

d0_s4

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

lanceolate

1 reference

Flora of North America

d0_s5

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

linear

1 reference

Flora of North America

d0_s5

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

ovate

1 reference

Flora of North America

d0_s5

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

rounded-deltate

1 reference

Flora of North America

d0_s5

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

suborbiculate

1 reference

Flora of North America

d0_s5

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

rounded-deltate

1 reference

Flora of North America

d0_s5

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

suborbiculate

1 reference

Flora of North America

d0_s5

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

lobed

morphology statement value modifier

often more or less; more or less palmately; palmately; pinnately

1 reference

Flora of North America

d0_s5

simple morphology value

morphology statement structure

inflorescence palea margin

morphology statement character

morphology statement value

entire

1 reference

Flora of North America

d0_s5

simple morphology value

morphology statement structure

inflorescence palea margin

morphology statement character

morphology statement value

toothed

morphology statement value modifier

more or less

1 reference

Flora of North America

d0_s5

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

hirtellous

1 reference

Flora of North America

d0_s5

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

strigose

morphology statement value modifier

more or less

1 reference

Flora of North America

d0_s5

simple morphology value

morphology statement structure

inflorescence involucre

morphology statement character

morphology statement value

ellipsoid

morphology statement value modifier

more or less

1 reference

Flora of North America

d0_s7

range morphology value

morphology statement structure

inflorescence involucre

morphology statement character

morphology statement value from

2

morphology statement value to

5

1 reference

Flora of North America

d0_s7

range morphology value

morphology statement structure

inflorescence phyllary

morphology statement character

morphology statement value from

30

morphology statement value to

75

1 reference

Flora of North America

d0_s8

range morphology value

morphology statement structure

inflorescence phyllary

morphology statement character

morphology statement value from

5

morphology statement value to

8

1 reference

Flora of North America

d0_s8

simple morphology value

morphology statement structure

inflorescence phyllary

morphology statement character

morphology statement value

distinct

1 reference

Flora of North America

d0_s8

simple morphology value

morphology statement structure

inflorescence phyllary

morphology statement character

morphology statement value

connate

morphology statement value modifier

proximally

1 reference

Flora of North America

d0_s8

simple morphology value

morphology statement structure

inflorescence phyllary tip

morphology statement character

morphology statement value

distinct

1 reference

Flora of North America

d0_s8

simple morphology value

morphology statement structure

inflorescence phyllary tip

morphology statement character

morphology statement value

hooked

morphology statement value modifier

mostly more or less

1 reference

Flora of North America

d0_s8

simple morphology value

morphology statement structure

inflorescence phyllary tip

morphology statement character

morphology statement value

hard

morphology statement value modifier

becoming

1 reference

Flora of North America

d0_s8

simple morphology value

morphology statement structure

inflorescence perigynium

morphology statement character

morphology statement value

prickly

1 reference

Flora of North America

d0_s8

simple morphology value

morphology statement structure

inflorescence flower corolla

morphology statement character

morphology statement value

absent

1 reference

Flora of North America

d0_s9

simple morphology value

morphology statement structure

inflorescence involucre

morphology statement character

morphology statement value

saucer--shaped

morphology statement value modifier

more or less

1 reference

Flora of North America

d0_s10

range morphology value

morphology statement structure

inflorescence involucre

morphology statement character

morphology statement value from

3

morphology statement value to

5

1 reference

Flora of North America

d0_s10

range morphology value

morphology statement structure

inflorescence phyllary

morphology statement character

morphology statement value from

6

morphology statement value to

16

1 reference

Flora of North America

d0_s11

simple morphology value

morphology statement structure

inflorescence phyllary

morphology statement character

morphology statement value

distinct

1 reference

Flora of North America

d0_s11

range morphology value

morphology statement structure

inflorescence palea

morphology statement character

morphology statement value from

spatulate

morphology statement value to

cuneiform or linear

1 reference

Flora of North America

d0_s13

simple morphology value

morphology statement structure

inflorescence palea

morphology statement character

morphology statement value

membranous

1 reference

Flora of North America

d0_s13

simple morphology value

morphology statement structure

inflorescence palea

morphology statement character

morphology statement value

villous

morphology statement value modifier

distally more or less

1 reference

Flora of North America

d0_s13

simple morphology value

morphology statement structure

inflorescence palea

morphology statement character

morphology statement value

hirtellous

1 reference

Flora of North America

d0_s13

simple morphology value

morphology statement structure

inflorescence flower corolla

morphology statement character

morphology statement value

whitish

1 reference

Flora of North America

d0_s14

simple morphology value

morphology statement structure

inflorescence flower corolla lobe

morphology statement character

morphology statement value

5

morphology statement value modifier

more or less

1 reference

Flora of North America

d0_s14

simple morphology value

morphology statement structure

inflorescence flower corolla lobe

morphology statement character

morphology statement value

erect

1 reference

Flora of North America

d0_s14

simple morphology value

morphology statement structure

inflorescence flower corolla lobe

morphology statement character

morphology statement value

reflexed

1 reference

Flora of North America

d0_s14

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

absent

1 reference

Flora of North America

d0_s17

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

18

1 reference

Flora of North America

d0_s17

simple morphology value

morphology statement structure

general structure head

morphology statement character

morphology statement value

discoid

1 reference

Flora of North America

d0_s6

simple morphology value

morphology statement structure

general structure head

morphology statement character

morphology statement value

pistillate

morphology statement value modifier

either

1 reference

Flora of North America

d0_s6

simple morphology value

morphology statement structure

general structure head

morphology statement character

morphology statement value

staminate

morphology statement value modifier

functionally

1 reference

Flora of North America

d0_s6

range morphology value

morphology statement structure

general structure head

morphology statement character

morphology statement value from

racemiform

morphology statement value to

spiciform

1 reference

Flora of North America

d0_s6

simple morphology value

morphology statement structure

general structure head

morphology statement character

morphology statement value

singly

1 reference

Flora of North America

d0_s6

simple morphology value

morphology statement structure

general structure head

morphology statement character

morphology statement value

pistillate

1 reference

Flora of North America

d0_s7

simple morphology value

morphology statement structure

general structure head

morphology statement character

morphology statement value

pistillate

1 reference

Flora of North America

d0_s8

simple morphology value

morphology statement structure

general structure head

morphology statement character

morphology statement value

pistillate

1 reference

Flora of North America

d0_s9

simple morphology value

morphology statement structure

inflorescence flower disc floret

morphology statement character

morphology statement value

2

1 reference

Flora of North America

d0_s9

simple morphology value

morphology statement structure

general structure head

morphology statement character

morphology statement value

staminate

1 reference

Flora of North America

d0_s10

simple morphology value

morphology statement structure

general structure head

morphology statement character

morphology statement value

staminate

1 reference

Flora of North America

d0_s11

simple morphology value

morphology statement structure

general structure head

morphology statement character

morphology statement value

staminate

1 reference

Flora of North America

d0_s12

range morphology value

morphology statement structure

general structure receptacle

morphology statement character

morphology statement value from

conic

morphology statement value to

columnar

1 reference

Flora of North America

d0_s12

simple morphology value

morphology statement structure

general structure head

morphology statement character

morphology statement value

staminate

1 reference

Flora of North America

d0_s13

simple morphology value

morphology statement structure

general structure head

morphology statement character

morphology statement value

staminate

1 reference

Flora of North America

d0_s14

range morphology value

morphology statement structure

inflorescence flower disc floret

morphology statement character

morphology statement value from

20

morphology statement value to

50

1 reference

Flora of North America

d0_s14

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

fusiform

morphology statement value modifier

more or less

1 reference

Flora of North America

d0_s15

range morphology value

morphology statement structure

morphology statement character

morphology statement value from

obovoid

morphology statement value to

ellipsoid

1 reference

Flora of North America

d0_s15

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

hard

1 reference

Flora of North America

d0_s15

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

prickly

1 reference

Flora of North America

d0_s15

simple morphology value

morphology statement structure

morphology statement character

morphology statement value

2-chambered

1 reference

Flora of North America

d0_s15

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