Jaumea |
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jaumea |
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Habit | Perennials, to 30+ cm (rhizomatous or stoloniferous). |
Stems | sprawling, ascending, branched mostly from bases. |
Leaves | opposite; sessile; blades spatulate to linear (succulent), margins entire, faces glabrous. |
Involucres | cylindric to obconic, 4–8+ mm diam. |
Receptacles | conic, epaleate. |
Ray florets | [0] 3–10, pistillate, fertile; corollas yellow. |
Disc florets | 20–50+, bisexual, fertile; corollas yellow, tubes about equaling narrow, cylindric throats, lobes 5, deltate. |
Phyllaries | 12–15 in 3+ series (ovate to lanceolate, unequal, succulent to membranous). |
Heads | radiate [discoid], borne singly. |
Cypselae | obconic to clavate or columnar (10-ribbed, glabrous); pappi usually 0, rarely persistent, of 1–5 subulate scales. |
x | = 19. |
Jaumea |
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Distribution |
w North America; nw Mexico; South America |
Discussion | Species 2 (1 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 21, p. 253. |
Parent taxa | |
Subordinate taxa | |
Name authority | Persoon: Syn. Pl. 2: 397. (1807) |
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