All Floras      Advanced Search
FOC Vol. 13 Page 361, 384 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 13 | Melastomataceae

13. Fordiophyton Stapf, Ann. Bot. (Oxford). 6: 314. 1892.

异药花属 yi yao hua shu

Gymnagathis Stapf (1892), not Schauer (1843); Stapfiophyton H. L. Li.

Herbs, erect or creeping, sometimes stoloniferous. Stems 4-sided, sometimes succulent or base subwoody. Leaves petiolate to almost sessile; leaf blade with secondary veins (1 or)2 or 3(-5) on each side of midvein, tertiary veins parallel, quaternary veins reticulate but usually inconspicuous, margin usually denticulate or serrulate. Inflorescences terminal, umbellate or cymose panicles; peduncle long; bracts subulate, small, caducous. Flowers 4-merous. Pedicel usually 4-sided, 2-bracteolate. Hypanthium campanulate to funnel-shaped, membranous, 4-sided or 8-ribbed. Calyx lobes usually triangular, membranous, apex apiculate. Petals pink, red, purple, or rarely white, oblong to obovate, base oblique. Stamens 8, whorls unequal in shape and length. Longer stamens usually pink to purplish red; anthers oblong to oblong-linear, longer than filaments, opening by 1 apical pore, base lengthened and forked or unappendaged. Shorter stamens pale yellow or white; anthers oblong, 1/3 or 1/2 longer than filaments, base usually not forked. Connective base sometimes minutely inflated. Ovary inferior, campanulate, narrowly ovate, or oblong, apex with a membranous 4-lobed crown, margin ciliate. Capsule campanulate to cup-shaped, apex truncate, 4-lobed, longitudinally dehiscent; hypanthium exceeding capsule, 8-ribbed. Seeds cuneate, small (ca. 1 mm), angular, testa tuberculate.

Nine species: China, Vietnam; nine species (eight endemic) in China.

1 Leaves in a basal or sub-basal rosette; leaf blade adaxially with white spots and tuberculate   (2)
+ Leaves not as above   (3)
2 (1) Stems densely brown hirsute.   3 F. peperomiifolium
+ Stems glabrous except for reddish spiny trichomes at nodes.   8 F. brevicaule
3 (1) Leaves of a pair highly unequal and asymmetric, blade membranous.   4 F. strictum
+ Leaves of a pair not unequal or only slightly unequal but then blade not membranous   (4)
4 (3) Leaf blade secondary veins 3-5 on each side of midvein   (5)
+ Leaf blade secondary veins 1 or 2 on each side of midvein, or if 3 then blade elongate oblong or lanceolate, not cordate-ovate   (7)
5 (4) Leaf blade glabrous.   6 F. cordifolium
+ Leaf blade puberulous, strigose, villous, or densely pilose   (6)
6 (5) Stems terete, densely puberulous.   2 F. degeneratum
+ Stems 4-angular, villous.   9 F. repens
7 (4) Inflorescences cymose, paniculate, or umbellate, 13-20 cm.   5 F. faberi
+ Inflorescences cymes or umbels, 3-7.5 cm   (8)
8 (7) Peduncle 1.5-3 cm; herbs 13-21 cm tall.   1 F. breviscapum
+ Peduncle (2.5-)4-7.5 cm; herbs 50-100 cm tall.   7 F. longipes

Lower Taxa


Related Objects  
  • Fordiophyton.pdf
  • PDF

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




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