Xanthisma texanum de Candolle in A. P. de Candolle and A. L. P. P. de Candolle (Q2530)

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Xanthisma texanum is a taxon with the rank species within the section Xanthisma sect. Xanthisma
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English
Xanthisma texanum de Candolle in A. P. de Candolle and A. L. P. P. de Candolle
Xanthisma texanum is a taxon with the rank species within the section Xanthisma sect. Xanthisma

    Statements

    taxon/id/Xanthisma texanum de Candolle
    0 references
    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
    Texas sleepy-daisy (English)
    Texas sleepy-daisy (English)
    taproots 2–10+ cm.
    Stems 1–3, usually branched in distal 1/2, sometimes throughout, moderately stout to stout, not wiry, mostly glabrous.
    Leaves: basal (if persisting) 50–80 × 15–25 mm, pinnatifid, rarely 2-pinnatifid;
    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.
    usually ebracteate.
    Involucres hemispheric, 5–10 × 11–20 mm.
    Phyllaries in 3–4 series, faces glabrous;
    Ray-florets 12–34;
    corollas yellow, tubes 2.5–3 mm, laminae 5–18 × 2–3 mm.
    Disc-florets 50–200+;
    corollas 4.5–5 mm.
    Cypselae 1.6–1.8 mm;
    pappi 5–6.5 mm, outer lengths often 0.5 longest.