Geissospermum laeve (Vell.) Miers

• Region

  South America

• Country

  French Guiana

• State/Province

  Saint-Laurent-du-Maroni

• County/Municipio

  Saul Comm.

• Locality

  Les Eaux Claires, ca. 7km N of Saül; Sentier Botanique, ca. 2-2.5 km from start of trail

• Elevation

  Alt. 350 - 400 m. (1148 - 1312 ft.)

• Coordinates

  3.62, -53.2

• Location Notes

  [South America]

• Distribution

  Map all specimens of this taxon

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BOTANICAL
Pard&\
NEW YORK BOTANICAL GARDEN
02073262
No. 13462	Apocynaceae
Geissospermum laevis (Vellozo) Miers
det. B.Wallnofer 19.Nov.1997
Saul (3037’N, 53°12'W) and vicinity; Les Eaux Claires, ca. 7
km N of Saul; Sentier Botanique, ca. 2-2.5 km from start of trail;
non-flooded, moist forest along a ridge; ca. 350-400 m alt.
Juvenile treelet 1,4 m tall, with two stems from base;
younger twigs exuding a little white latex; wood in
cross-section composed of 6 layers, which are alterna-
ting brown and lighter brown; ramification according
to Nozeran's model (very similar to Prevost's model);
each stem composed of ca. 5 modules (growth-units),
which are 15-30 cm long; stem between the terminal
whorl and the new shoot 0,8-3 cm long; each terminal
whorl composed of three plagiotrophic branches; each
branch with 1-2 ramifications and 5-14, distichous
leaves between the ramifications; older twigs and lea-
ves at first sight glabrous; youngest twigs with
appressed brown hairs; young leaves appressed whitish-
sericeous; [8 photographs taken].
leg. B.Wallnofer, S.A.Mori, B.Fischer, S.Heald &
M.Gustafsson	8 November 1997
02073262