A Taxonomic Revision of Chamaecrista (Caesalpinioideae, Cassieae, Cassiinae) in Southern Africa
Author
Musandiwa, Liada
Department of Biodiversity and Conservation Biology, University of theWestern Cape, Private Bag X 17, Bellville, 7535, South Africa
Author
Magee, Anthony R.
Compton Herbarium, South Africa National Biodiversity Institute, Kirstenbosch Research Centre, Private Bag X 7, Claremont, 7735, Cape Town, South Africa
Author
Boatwright, James S.
Department of Biodiversity and Conservation Biology, University of theWestern Cape, Private Bag X 17, Bellville, 7535, South Africa
jboatwright@uwc.ac.za
text
Systematic Botany
2022
Basel, Switzerland
2022-12-12
47
4
992
1011
http://dx.doi.org/10.1600/036364422x16674053033831
journal article
57370
10.1600/036364422x16674053033831
aca4cc44-7970-4214-8100-97fa3c87eeb6
8117056
10b.
CHAMAECRISTA
PLUMOSA
var.
ERECTA
(Schorn & Gordon-Gray) Lock,
Kew Bull. 43 (2): 337 (1988)
.
Cassia plumosa
var.
erecta
Schorn & Gordon-Gray
in
J. S. Afr. 41: 153 (1975)
;
Gordon-Gray in
F.S.A. 16 (2): 104 (1977)
.
TYPE
:
SOUTH
AFRICA
.
KwaZulu-Natal
,
Pietermaritzburg
(2930), ‘
Camperdown, Inchanga’
, (–DC),
9 March 1972
,
Schorn
36
(
holotype
:
NU
!).
Perennial herbs to
1.8 m
tall. Stems erect, often single stemmed or with few stems, simple or sub-simple, branching on the upper half, glabrous or covered with short, and/or long, straight greyish or yellow hairs. Leaves 15
–
90 ×
2–10 mm
.
Diagnostic Characters
—
Chamaecrista plumosa var.
erecta
is distinguished from
C. plumosa
var.
plumosa
by its erect stems up to
1.8 m
tall, branching in the upper half, with stems densely covered with short and/or long straight greyish or yellowish hairs and long leaves, up to
90 mm
long.
FIG
. 15. Known distribution of
Chamaecrista plumosa
var.
plumosa
(O) and
C. plumosa
var.
erecta
(-) in southern Africa.
Distribution and Ecology
—
Chamaecrista plumosa var.
erecta
is common in Louwsburg through Pietermaritzburg to Port Edward in
KwaZulu-Natal
. It occurs in grasslands at an altitude below
800 m
(
Fig. 15
). Flowering from September to March.
Additional Specimens Examined
—
South Africa
. —
KWAZULU-NATAL
:
2731 (
Louwsburg
):
Tygerskloof Estate, Ngome area
(–AD),
9 Feb 2001
,
Potgieter
425
(
NU
)
;
Ngotshe
,
Ngome Forest
(–CD),
11 Feb 1962
,
Tinley
743
(
NU
)
.
2831 (
Nkandla
):
near Dhlinza Forest, Eshowe
(–DA),
21 Jan 1963
,
Edwards
2870
(
NU
)
.
2832 (
Mtubatuba
):
Hlabisa, Monzi Settlement
(–AD),
7 Apr 1966
,
Strey
6568
(
PRE
)
.
2930 (
Pietermaritzburg
):
Laager Farm, near Harburgh
(–BD),
10 Dec 2005
,
Majola & Marimuthoo
2986
(
NH
)
;
Maidstone, N coast
(–CA),
14 Feb 1944
,
Hilliard
12
(
NU
, 2 Sheets)
;
4 km
from Pietermaritzburg on the Greytown road
(–CB),
10 Dec 1988
,
Edwards
(
PRE
)
;
Richmond, Tala Farm
(–CD),
8 Mar 1966
,
Moll
3073
(
PRE
)
;
Cato Ridge, inland of Durban
(–DA),
2 Feb 2013
,
Styles
3960
(
NH
)
;
Camperdown, Inchanga
(–DC),
23 Feb 1966
,
Hilliard
3883
(
NU
)
;
Camperdown Inchanga
(–DC),
23 Feb 1964
,
Hilliard
2722
(
NU
)
;
Pietermaritzburg
(–DC),
16 Feb 1969
,
Strey
8367
(
PRE
)
;
Greater Durban area, Queensburgh
(–DD),
24 Feb 1993
,
Ward
12248
(
NH
)
.
3030 (
Port Shepstone
):
Richmond road
(–AB),
18 Dec 1947
,
Barker
5141
(
NBG
)
;
S Coast, Paddock Altenburg
(–CD),
26 Jan 1997
,
Von Fintel
406
(
NH
)
;
Port Shepstone, Margate
(–CD),
12 Feb 1973
,
Strey
11065
(
NU
)
.
3130 (
Port Edward
):
Umtamvuna Nature Reserve, Beacon Hill
(–AA),
19 Mar 2018
,
Musandiwa
18
(
NBG
)
;
Beacon Hill
(–AA),
8 Feb 1980
,
Nicholson
2057
(
PRE
)
.