Difference between revisions of "Nicolletia edwardsii"
Smithsonian Contr. Knowl. 3(5): 119. 1852.
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | ||
Revision as of 21:38, 16 December 2019
Annuals or perennials, 3–25 cm. Stems erect to spreading. Leaves 10–60 mm overall, lobes 3–5, linear to filiform, rachis widths hardly greater than lobe widths. Peduncles 5–30 mm. Calyculi of 4–6 bractlets 1–2 mm. Involucres turbinate to fusiform, 11–15 mm. Phyllaries 6–8, lanceolate. Ray florets 7–9, laminae 7–16 × 3–6 mm. Disc florets 15–25(–50); corollas yellow, 7–8 mm. Cypselae 5–7 mm; pappi: bristles 3–5 mm, scales 5–7 mm. 2n = 20.
Phenology: Flowering mostly fall, following rains.
Habitat: Sandy, often calcareous or gypseous soils of fans, flats, or playas in desert scrub
Elevation: 800–1700 m
Distribution
Tex., Mexico (Chihuahua, Coahuila, San Luis Potosí, Zacatecas).
Discussion
Selected References
None.
Lower Taxa
None.