Gynura

Cassini in F. Cuvier

in F. Cuvier, Dict. Sci. Nat. ed. 2, 34: 391. 1825

Etymology: Greek, presumably gyne, a female, and ura, tail, perhaps alluding to style branches
Treatment appears in FNA Volume 20. Treatment on page 610. Mentioned on page 540, 542.
Perennials [subshrubs, vines], 20–100[300+] cm (± velutinous or villous [hispid, puberulent, glabrous], hairs often purplish). Stems usually 1, weakly erect, spreading, or clambering (branched). Leaves [basal and/or] cauline; alternate; petiolate (petiole bases sometimes expanded, weakly clasping) or sessile; blades pinnately nerved, ovate or elliptic to rhombic [oblanceolate or lanceolate to linear], margins [entire or subentire] toothed [coarsely pinnate], faces velutinous to villous [glabrous, hispid, puberulent]. Heads discoid, usually in corymbiform or paniculiform arrays, sometimes borne singly. Calyculi of 3–8+ bractlets. Involucres cylindric to campanulate [urceolate], [3–]8–12[–15+] mm diam. Phyllaries persistent, [8] ± 13 in (1–)2+ series, erect (reflexed in fruit), distinct (margins interlocking), linear, subequal, margins scarious. Receptacles flat, foveolate (knobby in fruit), epaleate. Ray florets 0. Disc florets [20–]30–80+, bisexual, fertile; corollas yellow or orange to brick-red [purplish, ochroleucous, or white], tubes longer than funnelform throats, lobes 5, erect or reflexed, deltate to lanceolate; style branches stigmatic in 2 lines, apices with (orange or reddish) ± filiform appendages (hispidulous, 1–2 mm). Cypselae ± columnar or prismatic, 5–10-angled or -ribbed, glabrous [hairy]; pappi persistent or fragile, of 60–80+, white, smooth or barbellulate bristles. x = 10.

Distribution

tropical Asia, Africa (including Madagascar), sw Pacific Islands, Australia.

Discussion

Species ca. 40 (1 in the flora).

Some species of Gynura are important in the horticultural trade; abundant literature is accessible through gardening compendia.

Lower Taxa

Facts about "Gynura"
AuthorTheodore M. Barkley† +
AuthorityCassini in F. Cuvier +
Distributiontropical Asia +, Africa (including Madagascar) +, sw Pacific Islands + and Australia. +
EtymologyGreek, presumably gyne, a female, and ura, tail, perhaps alluding to style branches +
IllustratorYevonn Wilson-Ramsey +
Introducedtrue +
Publication titlein F. Cuvier, Dict. Sci. Nat. ed. +
Publication year1825 +
Referencecronquist1978a + and davis1981a +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V19-20-21/V20 1367.xml +
SynonymsCompositae +
Taxon familyAsteraceae +
Taxon nameGynura +
Taxon parentAsteraceae tribe Senecioneae +
Taxon rankgenus +
VolumeVolume 20 +