Difference between revisions of "Adenophyllum porophylloides"
Sida 11: 377. 1986.
Basionym: Dyssodia porophylloides A. Gray Mem. Amer. Acad. Arts, n. s. 5: 322. 1854
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|publication year=1986 | |publication year=1986 | ||
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| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_582.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | ||
Revision as of 21:01, 27 May 2020
Perennials or subshrubs, 20–50+ cm. Leaves pinnately lobed, 15–40 mm, lobes 3–5, linear to cuneate or oblanceolate (oil-glands at base of each lobe and subterminal in tips). Peduncles 20–80 mm. Calyculi of 12–16 subulate bractlets 3–8 mm (bearing glands). Involucres obconic, 10–15 mm. Phyllaries 12–20, lanceolate, separating in fruit. Ray florets 10–14; corollas yellow, becoming red-orange; tubes ca. 2 mm, laminae 6 × 2 mm. Disc florets 25–40; corollas yellow-orange, 7–8 mm. Cypselae 5 mm; pappi of 8–12 scales 7–8 mm, each comprising 7–11 basally connate bristles. 2n = 26.
Phenology: Flowering spring and fall.
Habitat: Alluvial fans and rocky slopes in deserts
Elevation: 0–1200 m
Distribution
Ariz., Calif., Nev., Mexico (Baja California, Sonora).
Discussion
Selected References
None.
Lower Taxa
None.