A synopsis of the genus Disperis Sw. (Orchidaceae)
Author
Kurzweil, Hubert
Author
Manning, John C.
text
Adansonia
2005
3
27
2
155
207
journal article
http://doi.org/10.5281/zenodo.5186519
1639-4798
5186519
59.
Disperis macowanii
Bolus
J
.
Linn.
Soc.
,
Bot.
22: 77 (1885)
;
Schlechter
,
Bull. Herb.
Boissier
, ser. 1, 6: 938 (1898);
Rolfe, Fl.
Cap. 5, 3: 307 (1913), as
macowani
;
Verdcourt
,
Kew Bull.
30: 603 (1975)
;
la Croix
F
P
.
J
.
Cribb
,
Fl. Zambes.
: 243 (1995)
;
J
.
C
.
Manning
in
H
.
P
.
Linder
F
Kurzweil
,
Orch
.
S.
Afr.
: 311 (1999)
. —
Type
:
South Africa
,
Somerset East
,
MacOwan
2626
(lecto-, SAM, designated by
Linder
F
Kurzweil
1999; isolecto-, K).
Plants pubescent, to
120 mm
. Leaves 2, alternate, ovate, 9-20 ×
5-16 mm
. Flower 1, white, often with mauve tinge; median sepal ovate, 4-6 ×
2 mm
, hood
2-3 mm
long, erect, lateral sepals ovate,
4-5 mm
long; petals oblong, 4 ×
1.5 mm
; lip free from gynostemium, blade triangular, appendage oblong, pubescent, apex 3-4 lobed (
Fig. 12D
).
DISTRIBUTION AND PHENOLOGY. —
South Africa
(
Cape
Floristic Region,
KwaZulu-Natal
, a single record from
Limpopo
),
Malawi
and
Tanzania
; in rich organic matter on rocky slopes like stream banks and on cliffs, in shaded and damp places, frequently associated with moss or lichens, amongst shrubs, also in montane grassland from
1500 to 2500 m
.
Disperis macowanii
is one of the few species in the genus that are known from both tropical and
South Africa
, where it occurs in both the winter- and summer-rainfall regions. The species flowers from December to April in the South African summer-rainfall region and in tropical Africa, and from July to August in the South African winter-rainfall region.