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|Family: Asteraceae (Compositae)||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Annual 1--10(20) cm, generally +- gray, cobwebby to tomentose. Stem: 1, erect, or 2--10+, ascending to decumbent, +- forked, generally evenly leafy proximally, +- leafless between distal forks. Leaf: alternate, +- sessile, generally elliptic to oblanceolate, entire; distal leaves subtending heads, crowded, largest wider than proximal leaves. Inflorescence: heads disciform, +- sessile, 2--10 per dense group; involucre 0 or vestigial, simulated by paleae, or +- cup-like (then phyllaries 1--4, +- unequal, like reduced paleae); receptacle length (2.8)4--8 × width, +- cylindric to club-shaped, glabrous; paleae of pistillate flowers each generally enclosing flower, or outermost open, deciduous with fruit, +- boat-shaped, acute to obtuse, +- woolly abaxially, obscurely parallel-veined (veins 5+), margin reflexed distally or fully as scarious wing, wing terminal, erect to curved inward, visible in head; paleae of disk flowers generally 2--5, reduced, erect, +- folded, lanceolate, acute, papery, scarious, glabrous or cobwebby. Pistillate Flower: 12--25+, all subtended by paleae; corolla obscure, narrowly cylindric. Disk Flower: staminate (ovary partly developed in some species), 2--6; pappus of (0)1--10(13) free, deciduous bristles, hidden in head; corolla generally 5-lobed; anther base tailed, tip +- triangular; style tips +- linear-oblong. Fruit: each enclosed by palea, +- obovoid, variously compressed, smooth, shiny, corolla scar +- terminal, pappus 0.
Species In Genus: 7 species: southwestern North America. Etymology: (Greek: column bed, for long receptacle) Note: Close to Logfia. See also Ancistrocarphus, Micropus.
eFlora Treatment Author: James D. Morefield
Jepson Online Interchange
Key to StyloclinePrevious taxon: Stephanomeria virgata subsp. virgata
Next taxon: Stylocline citroleum
Citation for this treatment: James D. Morefield 2016. Stylocline, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=623, accessed on February 08, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 08, 2016.