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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Asteraceae (Compositae)||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: [Annual to perennial herb] subshrub, shrub, often aromatic, taprooted. Stem: tomentose, generally stalked- or sessile-glandular. Leaf: cauline; alternate, [sessile] petioled, linear to ovate or spoon-shaped, tapered to truncate at base [clasping or decurrent], entire, faces 1-[or 2-] colored, generally gray- to white-tomentose or silvery hairy, sometimes stalked- or sessile-glandular. Inflorescence: heads [disciform or] discoid, in groups in +- flat-topped cyme-like clusters; involucre bell-shaped; phyllaries in 3--5 series, persistent, spreading in fruit, bases green, generally sessile-glandular distally, distally +- white [straw-colored, orange, +- red, or +- pink], opaque [or transparent], generally shiny; receptacle [flat to] convex, epaleate, smooth or with short scales. Pistillate Flower: 0 [to few, peripheral; corolla yellow, +- minutely lobed]. Disk Flower: 3--30[50+]; corolla generally yellow; anther base with bristle-like tail, tip lanceolate; style tips truncate, hair-tufted. Fruit: cylindric, smooth or 4--6-ribbed, glabrous, strigose, or papillate; pappus of barbed or plumose bristles in 1 series, deciduous, free or loosely clinging together at base.
Species In Genus: +- 600 species: mostly Old World, especially Madagascar and southern Africa. Etymology: (Greek: sun + gold, an ancient plant name)
eFlora Treatment Author: Guy L. Nesom
Jepson Online Interchange
Previous taxon: Helianthus petiolaris subsp. petiolaris
Next taxon: Helichrysum petiolare
Citation for this treatment: Guy L. Nesom 2016. Helichrysum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=467, accessed on April 30, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on April 30, 2016.