Trichocereeae
The Trichocereeae are a tribe in the subfamily Cactoideae from the cactus family ( Cactaceae ).
Description
The tree -shaped to bushy growing Trichocereeae not normally form segmented, spherical to columnar stems, the ribbed usually are carrying, or ribbed wart warts supporting.
The small to quite large, regular or bilaterally symmetrical flowers appear beside or below the crown and open during the day or at night. The flower cups is shingled or covered with hair.
The fruits are fleshy and berry-like and sometimes burst along to. They contain small to medium sized seeds vary in shape. Hilum and micropyle of the seed are linked to united. Appendages are usually absent. A Strophiole is present in some.
Systematics and distribution
The Tribe Trichocereeae is south of the equator in South America and spread on the Galápagos Islands.
Today's classification as a tribe of Cactaceae was made in 1958 by Franz Buxbaum. After Edward Frederick Anderson ( 2005) the following genera belong to the tribe:
- Acanthocalycium Backeb.
- Arthrocereus A.Berger
- Cephalocleistocactus F.Ritter Cephalocleistocactus chrysocephalus
- Denmoza rhodacantha
- Espostoopsis dybowskii
- Leocereus bahiensis
- Rauhocereus riosaniensis
- Samaipaticereus corroanus
- Yungasocereus inquisivensis
To this extent, the tribe is not monophyletic.