Difference between revisions of "Calycadenia oppositifolia"
Fl. Francisc. 4: 423. 1897.
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|elevation=50–900 m | |elevation=50–900 m | ||
|distribution=Calif. | |distribution=Calif. | ||
| − | |discussion=<p>Calycadenia oppositifolia is known only from the Sierra Nevada foothills of Butte County. Its closest relative may be C. multiglandulosa.</p> | + | |discussion=<p><i>Calycadenia oppositifolia</i> is known only from the Sierra <i>Nevada</i> foothills of Butte County. Its closest relative may be <i>C. multiglandulosa</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1897 | |publication year=1897 | ||
|special status= | |special status= | ||
| − | |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/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V21_671.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Madiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Madiinae | ||
Revision as of 15:36, 18 September 2019
Plants 10–30 cm; self-incompatible. Stems simple or sparingly branched (very slender), strigose and sparsely spreading-hairy. Leaves mostly or all opposite, 1–5 cm (little reduced distally), strigillose and ± long-hairy (at least proximally). Heads in congested, axillary glomerules (appearing whorled). Peduncular bracts lanceolate (flat, stiff, sometimes ± cylindric near apices), 4–10 mm (hispidulous, ± bristly and/or pectinate-fimbriate, especially proximally), apices ± rounded, tack-glands (0–)1–5+. Phyllaries (often reddish) 4–7 mm, abaxial faces sometimes minutely scabrous, often sparsely bristly, tack-glands usually 0, sometimes 1+. Paleae 4–7 mm. Ray florets 2–4; corollas white to reddish, tubes ca. 2 mm, laminae 6–9 mm (central lobes ± equaling or narrower than laterals, elliptic, nearly symmetric, widest near middles, sinuses equaling laminae). Disc florets 4–20; corollas white to pink, ca. 6 mm. Ray cypselae ca. 3 mm, usually smooth, glabrous. Disc cypselae ca. 3 mm, ± appressed-hairy; pappi of 8–10 usually lanceolate, acuminate scales ca. 2 mm (often 2–4 shorter, blunt). 2n = 14.
Phenology: Flowering spring–early summer.
Habitat: Open, dry meadows, hillsides
Elevation: 50–900 m
Discussion
Calycadenia oppositifolia is known only from the Sierra Nevada foothills of Butte County. Its closest relative may be C. multiglandulosa.
Selected References
None.