Difference between revisions of "Hesperolinon spergulinum"
N. Amer. Fl. 25: 86. 1907.
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|label=Endemic | |label=Endemic | ||
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Linum spergulinum | |name=Linum spergulinum | ||
|authority=A. Gray | |authority=A. Gray | ||
| + | |publication_title=Proc. Amer. Acad. Arts | ||
| + | |publication_place=7: 333. 1868 | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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|publication year=1907 | |publication year=1907 | ||
|special status=Endemic | |special status=Endemic | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V12/V12_652.xml |
|genus=Hesperolinon | |genus=Hesperolinon | ||
|species=Hesperolinon spergulinum | |species=Hesperolinon spergulinum | ||
Revision as of 18:19, 24 September 2019
Herbs, 10–30(–50) cm, glabrous or glabrate; branches from distal nodes, alternate, widely spreading. Leaves alternate; stipular glands absent or minute; blade linear or narrowly oblong, 10–35 × 0.5–2(–2.5) mm, base flat, not clasping, margins without stalked glands. Inflorescences: cymes monochasial (helicoid), open, internodes long, flowers widely scattered; bract margins without prominent glands. Pedicels 5–15(–25) mm, 5–25 mm in fruit, pendent in bud, deflexed at 90° angle, slightly bent at apex. Flowers: sepals erect, not reflexed at tip, ovate, 1.5–2.5(–3.5) mm, equal, margins minutely gland-toothed, surfaces glabrous; petals widely spreading to reflexed, white or pale pink, usually darker-veined, obovate, 4–7 mm, apex obtuse; cup white, rim petal attachments in indentations; stamens exserted; filaments (3–)4–5(–7) mm; anthers pink to red-purple, white-margined, dehisced anthers 1.2–2 mm; ovary chambers 6; styles 3, white, 3.5–7 mm, exserted. 2n = 36.
Phenology: Flowering May–Aug.
Habitat: Chaparral or woodland margins, serpentine soils.
Elevation: 100–1000 m.
Discussion
Hesperolinon spergulinum occurs in the central and southern North Coast Ranges; there are historical reports from Santa Clara County. The pendent buds, a result of the deflexed and sometimes downward-curved pedicel, and the relatively long styles and stamens are distinctive. The petal appendages are relatively well developed in H. spergulinum; the ligule may be as large as 1 mm and hairy.
Selected References
None.