Sterculia khasiana

Sterculia khasiana is a probably extinct species of the genus Stinkbäume ( Sterculia ) in the subfamily of the Sterculiaceae ( Sterculioideae ).

Features

Sterculia khasiana was a medium-sized tree of non-recorded plant height. The bark of young branches and inflorescences were hairy rust-colored fluffy. The petioles were 8 to 13 mm long. The simple leaves were 9-17 cm long and 4 to 7.5 cm wide. The leaf blade was elliptic or obovate, lanceolate, slightly narrowed near the leaf ground, shortly acuminate at the tip and entire. The leaf areas were somewhat leathery and smooth. The leathery, linealischen or lanceolate and early falling stipules were 4 to 5 mm long.

The flowering period was from May to June. The short, axillary or terminal, loose racemose inflorescences were pretty straddling. The inflorescence axis was erect and graceful. The 7 to 15 mm long flower stems were straight - stand-off. The bracts were tiny, ovate - lanceolate and early deciduous. The calyx was 1 to 1.5 cm long. The outside was hairy woolly, the inside covered with fine hair. The crown tube was short. The lips were linear - lanceolate and three annoying. In the male flowers the 2 mm wore long, thick, protruding stamp column fertile anthers. In the female flowers of Fruchknoten was hairy and had a curved stylus. Fruit are known.

Occurrence

Sterculia khasiana was collected in subtropical forests in the Khasi Hills at an altitude between 1000 and 1500 m.

Status

Sterculia khasiana was taken in 1998 by the IUCN in the list of extinct species. The species has been detected only by three people in the 19th century. The first was the British botanist William Griffith (1810-1845), the Sterculia khasiana collected to an unnamed date in the Khasi Hills. 1873 discovered a collector named Rutton the second copy. 1877 was the last sighting by the botanist Charles Baron Clarke ( 1832-1906 ). Since then, the type could not be rediscovered. The habitat has been pulled by human activities, such as slash and burn agricultural use, affected.

Taxonomy

The specific epithet refers to the locality, the Khasi Hills in the eastern Indian state of Meghalaya. The scientific description was based in 1934 collected by Peary Mohon Debbarman at three in the 19th century Herbarexemplaren, the Central National Herbarium, Howrah (formerly Calcutta Herbarium CAL) are located.