Asteraceae (tribe Heliantheae) subtribe Jaumeinae
Gen. Pl. 2: 199. 1873.
Perennials, 5–30 cm (often ± succulent). Leaves mostly cauline; opposite; sessile; blades mostly linear, margins entire, faces glabrous. Heads radiate [discoid], borne singly. Calyculi 0. Involucres cylindric to obconic. Phyllaries persistent, 12–15 in 3+ series (distinct, ovate to lanceolate, unequal, succulent to membranous). Receptacles convex to conic, epaleate. Ray-florets [0] 3–10, pistillate, fertile; corollas yellow. Disc-florets 20–50+, bisexual, fertile; corollas yellow, tubes about equaling narrowly cylindric throats, lobes 5, deltate; anther thecae pale; stigmatic papillae in 2 lines (joining near tips of branches). Cypselae obconic to clavate or columnar, often 10-ribbed, glabrous; pappi usually 0, sometimes persistent, of 1–5 subulate scales.
Distribution
w North America, Mexico, South America
Discussion
Genus 1, species 2 (1 species in the flora).
Some species formerly included in Jaumea are now included in Espejoa or Hypericophyllum (in Chaenactidinae). H. Robinson (1981) allied Jaumeinae with Clappiinae and Flaveriinae.
Selected References
None.