Lessingia tenuis |
Lessingia nana |
|
---|---|---|
spring lessingia |
dwarf lessingia, little lessingia |
|
Habit | Plants 2–15 cm. | Plants 2–5(–25) cm. |
Stems | erect, green to tan, glabrous or villous. |
decumbent, tan, woolly. |
Leaves | basal withering by flowering; cauline margins entire or dentate to pinnately lobed, faces sometimes gland-dotted, abaxial villous to tomentose. |
basal withering by flowering; cauline margins entire, faces gland-dotted (in pits), abaxial woolly. |
Involucres | obconic, 4–7 mm. |
obconic, 7–10 mm. |
Disc florets | 10–25; corollas yellow (occasionally pink or suffused with purple in peripheral florets; tubes with brown-purple band inside); style-branch appendages truncate-penicillate, 0.1–0.2 mm. |
10–20; corollas white or pale lavender (color more intense in tubes); style-branch appendages truncate-penicillate, 0.2–0.4 mm. |
Phyllaries | purple-tipped, faces glabrous or villous, gland-dotted; inner scarious. |
green, faces woolly, gland-dotted; inner cartilaginous (stiff, white). |
Heads | borne singly, at ends of branchlets. |
borne singly or in corymbiform arrays, in axils of leaves or at ends of branchlets. |
Pappi | tan, equal to or longer than cypselae. |
pink to red, longer than cypselae. |
2n | = 10. |
= 10. |
Lessingia tenuis |
Lessingia nana |
|
Phenology | Flowering Apr–Jul. | Flowering Jun–Oct. |
Habitat | Openings, chaparral, woodlands | Open plains, often clay soils |
Elevation | 300–2200 m (1000–7200 ft) | 200–900 m (700–3000 ft) |
Distribution |
CA
|
CA |
Discussion | Lessingia tenuis is known from the central and southern San Francisco Bay area through the South Coast Range to Ventura County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Lessingia nana is known from the northern Great Central Valley, adjacent foothills of the Sierra Nevada, and foothills of the Cascade Range. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 20, p. 455. | FNA vol. 20, p. 457. |
Parent taxa | Asteraceae > tribe Astereae > Lessingia | Asteraceae > tribe Astereae > Lessingia |
Sibling taxa | ||
Synonyms | L. ramulosa var. tenuis, L. germanorum var. parvula, L. germanorum var. tenuis | |
Name authority | (A. Gray) Coville: Contr. U.S. Natl. Herb. 4: 124. (1893) | A. Gray: in G. Bentham, Pl. Hartw., 315. (1849) |
Web links |