Pachypodium rosulatum, most widespread and variable of Madagascan species, and its allies are reviewed in relation to 3 recently discovered new taxa. By emphasizing flower structure and presumed pollination syndromes, the aggregate can be resolved into 3 groups at species level, with varieties (and one form) covering lesser, mostly vegetative, differences. This involves making 3 new combinations.
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1 October 1998
The Pachypodium rosulatum aggregate (Apocynaceae) - one species or several?
G.D. Rowley
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Bradleya
Vol. 1998 • No. 16
October 1998
Vol. 1998 • No. 16
October 1998