Show Lower Taxa
Difference between revisions of "Lasthenia sect. Platycarpha"
Univ. Calif. Publ. Bot. 40: 66. 1966.
Basionym: Baeria sect. Platycarpha H. M. Hall in N. L. Britton et al., N. Amer. Fl. 34: 76. 1914
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Baeriinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Baeriinae | ||
Latest revision as of 20:15, 5 November 2020
Annuals. Leaves usually with 1–2 pairs of linear lobes, sometimes entire. Involucres obconic. Phyllaries persistent, distinct. Receptacles conic, muricate, glabrous or sparsely hairy. Ray corollas yellow, laminae 7–8 mm, floral pigments remaining yellow in dilute aqueous alkali. Disc corolla lobes 5; anther appendages deltate; style apices deltate with apical tufts of hairs and subapical fringes of shorter hairs. Cypselae 1.5–3.5 mm; pappose. 2n = 8.
Discussion
Species 1.
Selected References
None.