Lessingia tenuis |
Lessingia nemaclada |
|
---|---|---|
spring lessingia |
slenderstem lessingia, thread stem lessingia |
|
Habit | Plants 2–15 cm. | Plants 5–60 cm. |
Stems | erect, green to tan, glabrous or villous. |
erect, tan to brown, glabrous or villous. |
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) and sometimes stipitate-glandular, abaxial glabrous or villous to tomentose. |
Involucres | obconic, 4–7 mm. |
narrowly obconic, 5–6 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. |
3–10; corollas usually white, sometimes pale lavender (color more intense in tubes); style-branch appendages usually lanceolate, sometimes truncate-penicillate, 0.4–1 mm. |
Phyllaries | purple-tipped, faces glabrous or villous, gland-dotted; inner scarious. |
usually purple-tipped, faces glabrous, stipitate-glandular and gland-dotted; inner scarious. |
Heads | borne singly, at ends of branchlets. |
borne singly or in corymbiform arrays, usually at ends of branchlets. |
Pappi | tan, equal to or longer than cypselae. |
tan, equaling or longer than cypselae. |
2n | = 10. |
= 10, 12. |
Lessingia tenuis |
Lessingia nemaclada |
|
Phenology | Flowering Apr–Jul. | Flowering Jul–Oct. |
Habitat | Openings, chaparral, woodlands | Open fields, roadsides, borders of woodlands, sometimes on serpentinite soils |
Elevation | 300–2200 m (1000–7200 ft) | 200–1100 m (700–3600 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 nemaclada is widespread in central and northern California (except near the coast) and is morphologically variable. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 20, p. 455. | FNA vol. 20, p. 456. |
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 | L. nemaclada var. albiflora, L. nemaclada var. mendocina |
Name authority | (A. Gray) Coville: Contr. U.S. Natl. Herb. 4: 124. (1893) | Greene: Bull. Calif. Acad. Sci. 1: 191. (1885) |
Web links |