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|Family: Asteraceae (Compositae)||View Description||Dichotomous Key|
|Genus: Malperia||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Malperia tenuis S. Watson
Habit: Annual <= 40 cm, glabrous to puberulent. Stem: erect, much-branched. Leaf: proximally opposite, distally alternate, generally sessile, <= 5 cm, linear, generally entire. Inflorescence: heads discoid, many, 8--14 mm, in open, cyme-like clusters; involucre cylindric to narrowly bell-shaped, 5--6 mm wide; phyllaries 20--30+, graduated in 3--5 series, lanceolate; receptacle flat, epaleate. Flower: 20--30; corolla 5--6 mm, cylindric, +- white, pink-tinged; anther base rounded, tip oblong; style branches long, club-shaped, rounded. Fruit: 3 mm, slender, 5-ribbed; pappus of 3 bristles, 5 mm, and 3 scales, +- 0.5 mm. Chromosomes: 2n=20.
Ecology: Sandy creosote-bush scrub; Elevation: < 500 m. Bioregional Distribution: SCo (extirpated), s DSon; Distribution Outside California: northern Mexico. Flowering Time: Dec--Apr
eFlora Treatment Author: David J. Keil & A. Michael Powell
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Malperia
Next taxon: Matricaria
Citation for this treatment: David J. Keil & A. Michael Powell 2017. Malperia tenuis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=4089, accessed on January 18, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 18, 2017.