Results 161 to 170 of about 2,473 (201)
Some of the next articles are maybe not open access.
New Discoveries of Cycads and Advancement of Conservation of Cycads in China
The Botanical Review, 2004I. Abstract From 1997 to 1999 Cycas debaoensis Y. C. Zhong & C. J. Chen and C. changjiangensis N. Liu were described from South China. The wild populations of Cycas szechuanensis were discovered in Fujian. Cycas guizhouensis K. M. Lan & R. F. Zou at the higher elevations and C. segmentifida D. Y. Wang & C. Y.
Chia Jui Chen, Nian Liu
openaire +1 more source
Economic Botany, 1963
This is a review of the literature on the use of cycads as food and medicine, with special attention to their toxic properties. In the tropics and subtropics, where the plants are indigenous, their toxicity has long been known. Both gastrointestinal and neurological effects have been reported.
openaire +1 more source
This is a review of the literature on the use of cycads as food and medicine, with special attention to their toxic properties. In the tropics and subtropics, where the plants are indigenous, their toxicity has long been known. Both gastrointestinal and neurological effects have been reported.
openaire +1 more source
The Botanical Review, 2004
I. Abstract There are three genera of cycads in Colombia: Cycas, with two introduced and unnaturalized species; the endemic genus Chigua, with two species; and Zamia, with 16 species, seven of which are endemic. Keys to all species are given, as well as complete descriptions, synonymy, types, exisiccatae, distributional data, and conservation status as
openaire +1 more source
I. Abstract There are three genera of cycads in Colombia: Cycas, with two introduced and unnaturalized species; the endemic genus Chigua, with two species; and Zamia, with 16 species, seven of which are endemic. Keys to all species are given, as well as complete descriptions, synonymy, types, exisiccatae, distributional data, and conservation status as
openaire +1 more source
1990
Cycads today are under considerable pressure in the wild. Populations are threatened both by the processes of habitat destruction and by the systematic removal of plants as collectors’ items. The International Union for Conservation of Nature and Natural Resources currently recognizes twenty-six species as endangered worldwide which means that the ...
openaire +1 more source
Cycads today are under considerable pressure in the wild. Populations are threatened both by the processes of habitat destruction and by the systematic removal of plants as collectors’ items. The International Union for Conservation of Nature and Natural Resources currently recognizes twenty-six species as endangered worldwide which means that the ...
openaire +1 more source