Pascalia |
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pascalia |
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Habit | Perennials, 30–100 cm (rhizomatous). |
Stems | erect, branched ± throughout. |
Leaves | cauline; opposite; petiolate or sessile; blades (3-nerved) lanceolate to lance-linear (widest at or proximal to middles, not notably fleshy), bases cuneate, margins entire or toothed, faces sparsely scabrous. |
Involucres | campanulate to hemispheric, 10–15 mm diam. |
Receptacles | hemispheric, paleate (paleae lanceolate to ovate, conduplicate, becoming papery). |
Ray florets | 13–21, pistillate, fertile; corollas yellow. |
Disc florets | 45–90+, bisexual, fertile; corollas yellow, tubes shorter than campanulate throats, lobes 5, ± deltate. |
Phyllaries | persistent, 20–28 in 2–3 series (linear to lance-linear, herbaceous, subequal or outer longer than inner, spreading in fruit). |
Heads | radiate, borne singly. |
Cypselae | 3-angled or ± compressed and weakly 4-angled (epidermes usually thick, corky, bases without elaiosomes, apices not rostrate); pappi 0, or persistent, coroniform (of connate scales plus 0–2 awns). |
x | = 33. |
Pascalia |
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Distribution |
South America [Introduced in North America] |
Discussion | Species 2 (1 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 21, p. 131. |
Parent taxa | |
Subordinate taxa | |
Name authority | Ortega: Nov. Pl. Descr. Dec., 39, plate 4. (1797) |
Web links |