Difference between revisions of "Xanthisma texanum de Candolle in A. P. de Candolle and A. L. P. P. de Candolle (Q2530)"
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Latest revision as of 12:51, 24 June 2022
Xanthisma texanum is a taxon with the rank species within the section Xanthisma sect. Xanthisma
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Xanthisma texanum de Candolle in A. P. de Candolle and A. L. P. P. de Candolle
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Xanthisma texanum is a taxon with the rank species within the section Xanthisma sect. Xanthisma
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Statements
taxon/id/Xanthisma texanum de Candolle
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Xanthisma texanum de Candolle
Xanthisma texanum
de Candolle
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York.
accepted
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US-OK
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US-TX
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taproots 2–10+ cm.
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Stems 1–3, usually branched in distal 1/2, sometimes throughout, moderately stout to stout, not wiry, mostly glabrous.
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Leaves: basal (if persisting) 50–80 × 15–25 mm, pinnatifid, rarely 2-pinnatifid;
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cauline evenly spaced, proximal often spatulate, distal 2/3 narrowly to broadly lanceolate, 5–35 × 8–12 mm, markedly reduced distally, margins of proximal pinnatifid to coarsely serrate, of distal minutely, evenly serrulate or entire and antrorsely ciliolate, teeth or cilia 50–90+ per side, teeth tipped by white seta 0.1–1.5 mm, faces glabrous.
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usually ebracteate.
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Involucres hemispheric, 5–10 × 11–20 mm.
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Phyllaries in 3–4 series, faces glabrous;
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Ray-florets 12–34;
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corollas yellow, tubes 2.5–3 mm, laminae 5–18 × 2–3 mm.
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Disc-florets 50–200+;
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corollas 4.5–5 mm.
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Cypselae 1.6–1.8 mm;
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pappi 5–6.5 mm, outer lengths often 0.5 longest.
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lanceolate
narrowly to broadly
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hispidulous
moderately to densely
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