FLORA OF VIETNAM
Orchidaceae
Paphiopedilum purpuratum (Lindl.) Stein

N. Vietnam, prov. Cao Bang, distr. Bao Lac, municipality Yen Lac,
vicinities of Yen Lac village (N 22°44′ E 105°50′). Primary
semideciduous broadleaved forest on steep slopes and bluffs of S.
exposition near the tops of remnant karst limestone ridge at 1350-1400
m elev. Terrestrial herb with white/light-green tessellated leaves.
Very rare.

CBL 1458b 16 April 1999

International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 6300-98)

Collectors: P.K.Loc, P.H.Hoang, Averyanov L.

Fl. in horto at October-November 2000.
Flowers odourless, central sepal white, toward base green, with deep
purple longitudinal stripes; synsepal light green with two
brown-purple longitudinal stripes; lateral petals deep black-purple,
at base green, apex yellowish-pink; lip deep black-purple-brown;
staminode yellowish-purple-brown, stigma yellowich-white, filaments
green, pollen masses honey-yellow.
Averyanov L.