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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
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
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
L. arachnoidea, L. germanorum, L. glandulifera, L. hololeuca, L. leptoclada, L. micradenia, L. nana, L. nemaclada, L. pectinata, L. ramulosa, L. virgata
L. arachnoidea, L. germanorum, L. glandulifera, L. hololeuca, L. leptoclada, L. micradenia, L. nana, L. pectinata, L. ramulosa, L. tenuis, L. virgata
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)
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