Flora of North America species comparison

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Hesperolinon californicum

California dwarf-flax, California western flax
Habit Herbs, (10–)20–40(–50) cm, glabrous or glabrate; branches from distal stem nodes, alternate, virgate (proximal unbranched main axis long in comparison to distal portion).
Leaves

alternate;

stipular glands present;

blade threadlike to linear, 10–25 × 1–1.5(–2) mm, base flat, not clasping, margins eglandular.
Inflorescences

cymes monochasial, dense, sparingly branched, internodes short and flowers condensed or internodes long near base and flowers condensed at apices;

bract margins eglandular.
Pedicels

0.5–2(–5) mm, to 10 mm in fruit, ascending, not bent at apex.
Flowers

sepals erect, lanceolate to narrowly ovate, 3.5–4 mm, subequal, margins minutely glandular-toothed, surfaces glabrous;

petals widely spreading, white or partly pink, irregularly veined or flushed with pink or rose pink, obovate, (4–)6–8(–12) mm, apex obtuse, slightly erose;

cup white, rim with petal attachments set in deep notches;

stamens exserted;

filaments (4–)5–7(–8) mm;

anthers white to rose, dehisced anthers 2(–3) mm;

ovary chambers 6;

styles 3, white, (4–)5–7(–10) mm, exserted.
2n

= 36.

Hesperolinon californicum
Phenology Flowering Apr–Jul.
Habitat Rocky areas, chaparral, grassland, usually on serpentine soils.
Elevation 30–1300 m. (100–4300 ft.)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Hesperolinon californicum usually occurs on serpentine soil in the central Inner Coast Ranges and on nonserpentine soil in the foothills east and west of the Sacramento Valley and west of the San Joaquin Valley.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 12, p. 402.
Parent taxa Linaceae > Hesperolinon
Sibling taxa
H. adenophyllum, H. bicarpellatum, H. breweri, H. clevelandii, H. congestum, H. didymocarpum, H. disjunctum, H. drymarioides, H. micranthum, H. sharsmithiae, H. spergulinum, H. tehamense
Synonyms Linum californicum, L. californicum var. confertum, L. congestum var. confertum
Name authority (Bentham) Small: in N. L. Britton et al., N. Amer. Fl. 25: 86. (1907)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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