All Floras      Advanced Search
FOC Vol. 13 Page 360, 361 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 13 | Melastomataceae

1. Osbeckia Linnaeus, Sp. Pl. 1: 345. 1753.

金锦香属 jin jin xiang shu

Herbs, shrublets, or shrubs, erect. Stems (3 or)4-sided, pubescent. Leaves opposite or sometimes 3-whorled, petiolate or sessile; leaf blade usually pubescent, secondary veins 1-3 on each side of midvein, tertiary veins numerous and parallel, margin entire. Inflorescences terminal, capitate or panicled. Flowers 4- or 5-merous, purple or white, usually bracteate. Hypanthium urceolate or flask-shaped, often setiform tuberculate, stellate appendaged, pectinate tuberculate or with polycylic setiform stellate trichomes on stalks. Calyx lobes linear, lanceolate, or ovate-lanceolate, margin ciliate. Petals obovate or broadly ovate, margin ciliate or not. Stamens twice as many as perianth segments, isomorphic, equal or subequal; filaments shorter or as long as anthers; anthers oblong or oblong-ovate, beak long or short; connective decurrent, base abaxially slightly inflated or shortly spurred and sometimes with 1 or 2 setose, adaxially lengthened tubercles. Ovary half inferior, 4- or 5-celled, ± adherent to hypanthium, apex with a setose ring. Style filiform. Capsule ribbed, middle often contracted, dehiscing at truncate apex by 4 or 5 pores. Seeds numerous, curved (cochleate), small, densely granulate.

About 50 species: tropical W Africa, tropical and subtropical Asia; five species in China.

The Asian species of Osbeckia were revised by Hansen (Ginkgoana 4: 1-150, pl. 1-20. 1977).

1 Hypanthium 0.4-0.7 cm   (2)
+ Hypanthium 1-2.3 cm   (3)
2 (1) Petiole to 1 cm; flowers and fruit upright.   1 O. chinensis
+ Petiole 1.5-2 cm; flowers and fruit hanging.   2 O. nutans
3 (1) Leaf blade 1.7-2.5 cm.   3 O. capitata
+ Leaf blade 4-9(-13) cm   (4)
4 (3) Flowers 5-merous; capsule ovoid-globose, ca. 8 × 6 mm, apically with rings of strigose setae.   4 O. nepalensis
+ Flowers 4-merous; capsule long urceolate (flask-shaped), contracted at middle, 1.0-1.6(-2) × 0.5-0.8 cm, with rows of setiform stellate trichomes on stalks, ± glabrous in old specimens or basally setose, apically glabrous.   5 O. stellata

Lower Taxa


Related Objects  
  • Osbeckia.pdf
  • PDF

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




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