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little glandular lessingia, Mt. Tamalpais lessingia

dwarf lessingia, little lessingia

Habit Plants 5–60 cm. Plants 2–5(–25) cm.
Stems

erect, tan to brown, glabrous.

decumbent, tan, woolly.

Leaves

basal withering before flowering;

cauline margins entire, faces usually eglandular, sometimes sparsely stipitate-glandular, abaxial glabrous or villous.

basal withering by flowering;

cauline margins entire, faces gland-dotted (in pits), abaxial woolly.

Involucres

cylindric to narrowly obconic, 4–6 mm.

obconic, 7–10 mm.

Disc florets

3–10;

corollas white to pale lavender (color more intense in tubes);

style-branch appendages truncate-penicillate, 0.1–0.3 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, stipitate-glandular or 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 shorter than cypselae.

pink to red, longer than cypselae.

2n

= 10.

Lessingia micradenia

Lessingia nana

Phenology Flowering Jun–Oct.
Habitat Open plains, often clay soils
Elevation 200–900 m (700–3000 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

(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.)

Key
1. Phyllaries stipitate-glandular
var. micradenia
1. Phyllaries not stipitate-glandular (sessile-glandular)
var. glabrata
Source FNA vol. 20, p. 456. FNA vol. 20, p. 457.
Parent taxa Asteraceae > tribe Astereae > Lessingia Asteraceae > tribe Astereae > Lessingia
Sibling taxa
L. arachnoidea, L. germanorum, L. glandulifera, L. hololeuca, L. leptoclada, L. nana, L. nemaclada, L. pectinata, L. ramulosa, L. tenuis, L. virgata
L. arachnoidea, L. germanorum, L. glandulifera, L. hololeuca, L. leptoclada, L. micradenia, L. nemaclada, L. pectinata, L. ramulosa, L. tenuis, L. virgata
Subordinate taxa
L. micradenia var. glabrata, L. micradenia var. micradenia
Synonyms L. ramulosa var. micradenia
Name authority Greene: Leafl. Bot. Observ. Crit 2: 28. (1910) A. Gray: in G. Bentham, Pl. Hartw., 315. (1849)
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