Difference between revisions of "Osmadenia tenella"
Trans. Amer. Philos. Soc., n. s. 7: 392. 1841.
Illustrated
Synonyms: Calycadenia tenella (Nuttall) Torrey & A. Gray
Treatment appears in FNA Volume 21. Treatment on page 269.
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Madiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Madiinae | ||
Latest revision as of 20:13, 5 November 2020
Leaves (proximal) 1–3(–5) cm, smaller distally. Peduncular bracts 4–7, narrowly lanceolate, 4–8 mm. Phyllaries 3.5–6.5 mm (paleae 4–6 mm) ± strigillose, strongly glandular, abaxial faces bristly, shaggy-hairy, especially margins and apices. Ray corollas tubes ca. 2.5 mm, laminae ca. 4 mm. Disc corollas 3–5 mm, lobes ± hirsute. Cypselae (rays) 1.8–2.7 mm, beaks 0.3 mm, or (discs) 2–2.5 mm; pappi of scales 4–6 mm plus scales ca. 1 mm. 2n = 18.
Phenology: Flowering spring–summer.
Habitat: Barren, often rocky, exposed hillsides, canyons, chaparral, woodlands
Elevation: 10–600(–1200) m
Distribution
Calif., Mexico (Baja California).
Discussion
Selected References
None.
Lower Taxa
None.