The genus Coleus (Lamiaceae) in Central Africa (Democratic Republic of the Congo, Rwanda, Burundi), with the description of 15 new species
Author
Meerts, Pierre J.
0000-0003-4215-027X
Meise Botanic Garden, Nieuwelaan 38, BE- 1860 Meise, Belgium & Université Libre de Bruxelles, Av. F. D. Roosevelt 50 CP 244, BE- 1050 Brussels, Belgium & Fédération Wallonie-Bruxelles, Service général de l’Enseignement supérieur et de la Recherche scientifique, Brussels, Belgium
Author
Paton, Alan J.
0000-0002-6052-6675
The Herbarium, Royal Botanic Gardens, Kew, Richmond TW 9 3 AB, UK
text
PhytoKeys
2024
2024-09-02
246
71
178
journal article
302074
10.3897/phytokeys.246.129476
b381880a-e0bb-4b02-ad0f-2f90a0b6c995
Coleus maculosus subsp. edulis
(Vatke) A. J. Paton
, Phytokeys 129: 69. 2019
.
≡
Coleus edulis
Vatke
, Linnaea 37: 319. 1872
.
≡
Plectranthus edulis
(Vatke) Agnew
, Upland
Kenya
Wild Fl.: 640. 1974.
≡
Coleus maculosus subsp. edulis
(Vatke) A. J.
Paton (2019)
69. Type:
Ethiopia
(“
Abyssinia
”), near Gaffat,
Oct 1863
,
G
.
W
. Schimper 1212
(
holotype
B
destroyed;
isotype
BM
[
BM
000514932
],
K
[
K
000431925
], [
K
000431923
]).
≡
Plectranthus punctatus subsp. edulis
(Vatke) A. J. Paton
, Fl. Trop. E. Afr., Lamiac.: 350. 2009
.
=
Coleus fimbriatus
Lebrun & L. Touss.
, Bull. Jard. Bot. État Bruxelles 17: 79. 1943
.
≡
Plectranthus fimbriatus
(Lebrun & L. Touss.) Troupin & Ayob.
, Bull. Jard. Bot. Natl. Belg. 55: 299. 1985
. Type:
DR. Congo
, Mt Mushumangabo,
Aug 1937
,
J. Lebrun 7163
(
holotype
BR
[
BR
0000006262945
], [
BR
0000006263270
]).
Description.
Paton et al. (2009: 350)
, as
Plectranthus punctatus subsp. edulis
(Vatke) A. J. Paton.
Distribution.
Ethiopia
,
Kenya
,
Uganda
,
Tanzania
,
Burundi
,
Rwanda
and
DR. Congo
.
Habitat and ecology.
Mountain forest, savannah, fallow field, marshland, swamp, river banks, riparian forest;
1600–3100 m
elev.
Additional specimens.
DR. Congo
,
Lac Albert
, Nioka,
27 Oct 1934
,
A. P. De Craene 229
* (
BR
,
WAG
);
Lacs Edouard et Kivu
, Tshirunge,
5 Oct 1914
,
J. Bequaert 5997
(
BR
); Parc National Albert [Virunga], volcan Niamlagyra, aux environs de Mushumangabo,
17 Jan 1942
,
R
. Germain 1258
(
BR
);
W
du Lac Kivu, Feb-Mar 1929,
H
. Humbert
7527 * & 7528 (
BR
); Mont Kahuzi,
28 May 1960
,
Meurillon 953
* (
BR
,
LWI
);
Haut-Katanga
, Parc National de l’Upemba. Lubanga,
17 Apr 1948
,
G
. F. de Witte 03726
(
BR
).
Rwanda
, Mukono, Byumba,
Dec 1932
,
A. Becquet 189
* (
BR
); Rwasenkoko, route Butare-Cyangugu, km 67,
1 Mar 1980
,
D. Bridson 468
(
BR
,
K
); Gikongoro, Kivu, Rubyiro,
16 Aug 1999
,
C
. Ewango & Ngayabahiga 2195
* (
BR
,
GIS
,
M
,
MO
,
WAG
); Route Astrida [Butare] - Shangugu, km 65,
7 Mar 1958
,
M
. Reynders 239
(
BR
); Route Bukavu-Astrida [Butare], env. Uwinka, colline Bunyereri,
7 Aug 1959
,
G
. Troupin 10566
* (
BR
).
Burundi
,
Muramvya
, Mont Manga Mugongo,
4 Jun 1966
,
J. Lewalle 883
(
BR
);
Muramvya
, Nyabigonde,
3 Apr 1966
,
J. Lewalle 642
* (
BR
); Nyakirwa,
21 Jan 1977
,
M
. Reekmans 5647
* (
BR
); Province:
Ngozi
, Commune: Mukora (Rwegura),
27 Apr 1977
,
M
. Reekmans 6046
(
BR
); Ijenda,
8 May 1981
,
M
. Reekmans 10137
* (
BR
,
WAG
).
Note.
Subsp.
edulis
is variable in petiole length and blade shape; morphs with subsessile leaves and oblong-elliptic blade up to
14 cm
long (specimens indicated “ * ” hereabove) correspond to the type of
C. edulis
; morphs with ovate, petiolate leaves correspond to the type of
C. fimbriatus
.