A revision of the genus Ocotea Aubl. (Lauraceae) in Madagascar and the Comoro Islands
Author
Werff, Henk Van Der
Missouri Botanical Garden, P. O. Box 299, St. Louis, MO, 63166 (USA)
henk.vanderwerff@mobot.org
text
Adansonia
2013
3
2013-12-31
35
2
235
279
http://dx.doi.org/10.5252/a2013n2a5
journal article
10.5252/a2013n2a5
93b27db0-ab0a-40d9-862c-1a5c68678186
1639-4798
5206484
Ocotea
sp. A
.
Represented by seven collections from the Sambirano-Manongarivo area.It has relatively large,glabrous leaves (
8-13 cm
) and long petioles (
2-3 cm
). Venation is immersed,the upper leaf surface often shiny.Domatia are lacking.Vegetative buds are appressed pubescent. Infructescences are to
15 cm
long, the cupules
1.5 cm
in diameter and about
1 cm
high without remnants of tepals. Fruits measure 2.5 ×
1.3 cm
. Flowers are not known.
Kostermans (1957)
cited five of the collections as
O. racemosa
; he did not see the sixth collection. It differs from
O. racemosa
in leaf shape and size, the shiny upper surface of the leaves, long petioles and the large cupules. The specimens are
Service Forestier 2567, 3792, 11084, 11501, 12281
, and
Perrier de la Bâthie 10130
,
10131
, all in P; they were made in July (one collection), September (two coll.), October (two coll.) and November (one coll.).