All Floras      Advanced Search
FOC Vol. 20-21 Page 5, 7, 9, 13, 468 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 20-21 | Asteraceae

5. Gerbera Linnaeus, Opera Var. 247. 1758.

火石花属 huo shi hua shu

Authors: Tiangang Gao & D. J. Nicholas Hind

Berniera Candolle; Lasiopus Cassini; Oreoseris Candolle.

Herbs, perennial, rhizomatous. Leaves rosulate; leaf blade oblanceolate, oblong, obovate, ovate, or subcircular, papery, herbaceous, or leathery, serrulate, dentate, repand, pinnatilobate, pinnatifid, or pinnatisect. Scapes 1, rarely many, slender, ebracteate or with few to many bracts. Capitula terminal, radiate, heterogamous, chasmogamous; involucres obconic to broadly campanulate; phyllaries multiseriate, imbricate; receptacles flat, alveolate, glabrous, epaleate. Florets all fertile, marginal uniseriate, female, bilabiate, outer female florets with obvious limbs, rarely tubular (Gerbera maxima), outer lip 3-denticulate at apex, inner deeply 2-lobed, lobes filiform, coiled; central florets numerous, bisexual, bilabiate, outer lips 3-toothed at apex, inner deeply 2-lobed; anther bases long tailed, apex appendaged; styles shallowly divided at apex, style branches short, abaxially pilose, apices obtuse, rounded, or subacute. Achenes terete or fusiform, ribbed, pilose or glabrous; pappus of scabrid bristles. 2n = 46, 50.

About 30 species: Africa, Asia; seven species (four endemic) in China.

There are no species of Gerbera in South America. The position of G. hieracioides (Kunth) Zardini is disputed. Based on Onoseris hieracioides Kunth, it probably belongs in Leibnitzia (known from both Asia and Central and North America) or Chaptalia Ventenat, having previously been transferred to Trichocline Cassini, as T. hieracioides (Kunth) Ferreyra.

Gerbera jamesonii Bolus is cultivated in China.

1 Outer female florets without obvious limbs, tubular.   1 G. maxima
+ Outer female florets with obvious limbs   (2)
2 (1) Capitula nodding; scapes ebracteate or 1- or 2-bracteate; achenes glabrous   (3)
+ Capitula erect; scapes multibracteate; achenes pilose   (4)
3 (2) Outer phyllaries ca. 1 mm wide, innermost ca. 3 mm wide, apices acuminate; outer lips of female florets narrow, 3-4 mm wide; staminode apices erect.   2 G. nivea
+ Outer phyllaries ca. 2.5 mm wide, innermost 6-7 mm wide, apices mucronate; outer lips of female florets wide, 6-8 mm wide; staminode apices hamate.   3 G. latiligulata
4 (2) Phyllary apices acute, acuminate, or mucronate   (5)
+ Phyllary apices rounded or obtuse   (6)
5 (4) Leaf blade and petiole glabrous.   4 G. raphanifolia
+ Leaf blade abaxial surface densely lanuginous, petiole arachnoid lanate.   5 G. delavayi
6 (4) Leaf blade ovate-oblong to oblong, 17-29 cm, 7-14 cm wide; involucre 4.5-5 cm in diam., phyllaries obviously unequal, apices green, mucronate or subobtuse, innermost oblong.   6 G. rupicola
+ Leaf blade broadly ovate or suborbicular, equally wide and long, 5-10 cm; involucre ca. 2.5 cm in diam., phyllaries subequal, apices rufous, rounded.   7 G. tanantii

Lower Taxa


Flora of China @
Browse by
Advanced Search

Flora of China Home




 |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |