CHRISTENSON The genus Christensonia


1I'- .-,. _.... .... 1-3, erect, few-flowered, to 8 cm
long. Flowers 3-5, resupinate, somewhat nodding,
the sepals, petals and lateral lobes of the lip yellow-
green, the midlobe of the lip white. Sepals and
petals subequal, to 1.6 x 0.7 cm, the dorsal sepal
oblong-elliptic, obtuse, convex, the lateral sepals
obliquely elliptic-obovate, obtuse, convex, the
petals elliptic, obtuse, somewhat incurved. Lip
three-lobed, to 3.4 cm long from the apex of the
spur to the apex of the midlobe, the lateral lobes
rectangular, obtuse, to 0.7 x 0.3 cm, the midlobe
fan-shaped with a broad claw, with finely toothed
and undulate margins, to 1.8 x 1.6 cm, the spur with
small, scale-like, internal glandular processes


below the apex. Column very short, to 0.3 cm long.
Pedicel and ovary six-winged, twisted.
ACKNOWLEDGEMENTS. I graciously thank Jiri
Haager for honoring me with this commemoration
and for lending the accompanying illustration for
this article.
LITERATURE CITED
Christenson, E.A. 1994. Taxonomy of the Aeridinae with
 an infrageneric classification of Vanda Jones ex R. Br.
 Proc. 14th World Orch. Conf. 206-216.
 1996. Sarcanthinae genera 22: Christensonia.
 Orchids 65(3): 282-283.
Haager, J.R. 1993. Some new taxa of orchids from
 Southern Vietnam. Orchid Digest 57(1): 39-44.


Octubre 2001