Difference between revisions of "Arctanthemum (Tzvelev) Tzvelev (Q2090)"
Jump to navigation
Jump to search
Latest revision as of 12:48, 24 June 2022
Arctanthemum is a taxon with the rank genus within the subtribe Artemisiinae
Language | Label | Description | Also known as |
---|---|---|---|
English |
Arctanthemum (Tzvelev) Tzvelev
|
Arctanthemum is a taxon with the rank genus within the subtribe Artemisiinae
|
Statements
taxon/id/Arctanthemum (Tzvelev) Tzvelev
0 references
Arctanthemum (Tzvelev) Tzvelev
Arctanthemum
(Tzvelev) Tzvelev
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 19: Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York.
accepted
1 reference
Stems 1 (per rosette), ascending, usually simple, sometimes branched distally, glabrous or ± woolly (hairs basifixed).
1 reference
petiolate or sessile (distal);
1 reference
blades (± fleshy) fan-shaped, cuneate, or spatulate to narrowly lanceolate (distally), usually pinnati-palmately lobed (lobes 3–7), ultimate margins coarsely crenate, dentate (at apices of lobes), or entire (distally), faces ± woolly, glabrescent.
1 reference
Heads radiate, borne singly or in 2s or 3s.
1 reference
Involucres patelliform to hemispheric, 13–29 mm diam.
1 reference
Phyllaries persistent, (22–) 25–34 (–44) in 3 (–4) series, distinct, lanceolate to oblong, unequal, margins and apices (hyaline and colorless or brownish) scarious.
1 reference
Receptacles dome-shaped (glabrous), epaleate.
1 reference
Ray-florets (9–) 14–25 (–30), pistillate, fertile;
1 reference
corollas white, laminae lance-elliptic or elliptic to oblong or oblong-lanceolate.
1 reference
Disc-florets 140–360+, bisexual, fertile;
1 reference
corollas yellow, tubes broadly cylindric, throats campanulate, lobes 5, deltate (without resin sacs).
1 reference
Cypselae cylindro-obconic, ribs 5–8 (–10), faces glabrous, usually gland-dotted (pericarps without myxogenic cells or resin sacs; embryo-sac development monosporic);
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
spatulate
narrowly lanceolate
1 reference
spatulate
narrowly lanceolate
1 reference
usually pinnati-palmately
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
elliptic to oblong or oblong-lanceolate
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference