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|Jepson eFlora: Taxon page
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|Family: Asteraceae (Compositae)||View Description||Dichotomous Key|
|Genus: Hecastocleis||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Hecastocleis shockleyi A. Gray
Habit: Shrub. Stem: 4--7 dm, stiff, much-branched, glandular-puberulent or becoming glabrous except for tufts of soft hair in axils of persistent leaf bases. Leaf: simple, alternate, some also clustered in axils of older stems; primary leaves 1--3 cm, linear to lance-linear, sessile, spine-tipped, sparsely spiny-dentate, +- persistent as spines when dry; clustered axillary leaves narrower, obtuse to acute, generally not toothed. Inflorescence: heads 1-flowered, sessile, in dense, head-like clusters surrounded by involucre of persistent, ovate, spiny-toothed, net-veined bracts 1--2 cm; true involucre narrowly cylindric; phyllaries +- 15 in several unequal series, 4--10 mm, linear, acuminate, loosely soft-hairy; receptacle epaleate. Flower: 1 per head; corolla pink to red-purple in bud, green-white in flower, lobes linear, equal; filaments inserted near base of corolla, anthers purple, exserted, base with stiff, bristle-like tails, tips short-triangular; style tips shallowly lobed. Fruit: cylindric, glabrous; pappus a crown of fringed scales <= 1 mm. Chromosomes: 2n=16.
Ecology: Dry, rocky slopes; Elevation: 1000--2200 m. Bioregional Distribution: SNE, DMtns; Distribution Outside California: western Nevada. Flowering Time: May--Jul
eFlora Treatment Author: David J. Keil
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Hecastocleis
Next taxon: Hedypnois
Citation for this treatment: David J. Keil 2016. Hecastocleis shockleyi, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=3189, accessed on September 30, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on September 30, 2016.