Difference between revisions of "Deinandra mohavensis"
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Madiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Madiinae | ||
Revision as of 21:01, 27 May 2020
Annuals, 10–100(–150) cm. Stems solid. Leaves: proximal blades usually entire, sometimes serrate, faces pubescent and stipitate-glandular. Heads usually in glomerules or ± crowded, sometimes in open, paniculiform arrays. Bracts subtending heads usually overlapping proximal 0–1/2+ of each involucre. Phyllaries ± evenly stipitate-glandular, including margins and apices, usually with non-glandular, non-pustule-based hairs as well. Paleae in 1 series. Ray florets 5; laminae deep yellow, 4–7 mm. Disc florets 6, functionally staminate or bisexual; anthers yellow or brownish. Pappi of 5–9 (often ± connate, irregular), subulate to quadrate, erose scales 0.1–0.6 mm. 2n = 22.
Phenology: Flowering (May–)Jul–Oct(–Jan).
Habitat: Edges of streams, springs, seeps, in swales, in openings on drier surrounding slopes of chaparral, desert scrub, or woodlands, clayey, silty, or gravelly soils
Elevation: 800–1600 m
Discussion
Of conservation concern.
Deinandra mohavensis is known from the Peninsular Ranges (San Jacinto Mountains, Palomar Mountains, Anza Bench) and southernmost Sierra Nevada (Short Canyon, Jawbone Canyon region), and San Bernardino Mountains (where possibly extirpated). As noted by A. C. Sanders et al. (1997), D. mohavensis occurs in unusually mesic habitats for Deinandra (somewhat similar to situations where D. arida and D. floribunda occur) and has a highly disjunct distribution. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.
Selected References
None.