Boston J. Nat. Hist.5: 106, plate 13, figs. 1–6. 1845
sw United States, n Mexico.
Species 2 (2 in the flora).
Both species of Monoptilon are decumbent to prostrate, hispid annuals with campanulate involucres, white coiling rays, obovoid compressed cypselae, and chromosome number of 2n = 16. The genus was placed by G. L. Nesom (1994) as sister to Chaetopappa.
|1||Stems yellow-green; phyllary margins herbaceous; disc corollas loosely strigose proximally; pappi scarious cups 0.1–0.4 mm plus 1 apically plumose bristle usually equaling disc corollas||Monoptilon bellidiforme|
|1||Stems often prominently reddish purple; phyllary margins proximally with sharply delimited, white-scarious portions, lacerate-ciliate at base; disc corollas glabrous or nearly so; pappi outer crowns of paleae or narrow squamellae 0.5–1 mm plus 8–15 barbellate inner bristles, length 1/3 – 1/2 disc corollas||Monoptilon bellioides|
|Author||Guy L. Nesom +|
|Common name||Desertstar +|
|Etymology||Greek monos, one, and ptilon, soft feather, alluding to pappus of M. bellidiforme, a solitary plumose bristle +|
|Illustrator||Barbara Alongi +|
|Taxon name||Monoptilon +|
|Taxon parent||Asteraceae tribe Astereae +|
|Taxon rank||genus +|
|Volume||Volume 20 +|