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  • Công bố khoa học và công nghệ Việt Nam

34.29

Thực vật học

Sỹ Danh Thường(1), Trần Thế Bách

Bổ sung loài Crateva Formosensis (Jacobs) B.S. SUN (Họ Màn màn - Capparaceae Juss.) cho hệ thực vật Việt Nam

Crateva formosensis (Jacobs) B. S. Sun, (Capparaceae Juss.) - A new record for flora of Vietnam

TC Sinh học

2011

3

40-42

0866-7160

The authors have found that Crateva formosensis (Jacobs) B. S. Sun has also distributed in Vietnam, with specimens collected in Tra Linh district, Cao Bang province. The specimens are preserved in HN Herbarium, Institute of Ecology and Biological Resources. This species is closely related to Crateva trifoliata (Roxb.) B. S. Sun but differs in characters: size and apex of leaflet blade and number of stamens, hence, Crateva formosensis (Jacobs) B. S. Sun is a new record for the flora of Vietnam. The main characters of Crateva formosensis: shrub or tree, 2-21 m tall, with flowers before having leaves or when having young leaves. Twigs with flowers: leaflet blades ovate to obovate, 10-11.5 x 4-5 cm, dried leaves green-grey color to green-brown; twigs without flowers: leaflet blade 13-15 x 6 cm, apex acuminate to long acuminate. Inflorescences 10-15 flowered, pedicel 2.5-4 cm. Sepals 4, oblong. Petals yellow, claw 4 mm, blade elliptic. Stamens 10-15. Gynophore 2.4-3.2 cm. Ovary ovate. Fruits circular to oval, red to red-brown, smooth. Seeds small, brown.

TTKHCNQG, CVv27