Rubi Capenses: a further contribution to the knowledge of the genus Rubus (Rosaceae) in South Africa
Author
Beek, Abraham Van De
text
Phytotaxa
2021
2021-08-19
515
1
1
71
http://dx.doi.org/10.11646/phytotaxa.515.1.1
journal article
10.11646/phytotaxa.515.1.1
1179-3163
8061143
20.
Rubus originalis
Bailey (1945: 794)
.
Lectoype
(selected by J. Reveal, designated here by A.Beek &Widrlechner):—
USA
.
New Jersey
:
Cold Spring
,
Cape May Co.
,
1 August 1934
,
Bailey
239
(
BH000082031/2
)
Primocane
(
Figs 19A–C
) up to
2 m
high, arching, angular, furrowed, diam.
3–7 mm
, slightly to rather densely appressed hairy, with (sub-)sessile glands; prickles 3–14 per
5 cm
from
1–5 mm
base declining,
4–8 mm
long; stipules linear,
6– 10 mm
long, with some hairs and subsessile glands.
Leaves
palmate 5-foliolate, adaxially (almost) glabrous, abaxially (
Fig. 19D
) green, with usually rather dense short hairs, sometimes only slightly hairy, not to clearly soft at touch; serrature sharp, coarse, double, with straight teeth; petiole
3–6 cm
, appressed pilose, with 2–8 curved prickles; central leaflet
60–110 mm
long, with rounded or attenuate base, narrow, elliptic or obovate, rather abruptly attenuate into moderate or long tip, width–length index 0.44–0.59, length of petiolule 16–32% of length of leaflet.
Flowering branch
angular, furrowed, with more or less appressed hairs and few (sub-)sessile glands; prickles 2–7 per
5 cm
, declining or curved, slender, somewhat compressed, up to
3–5 mm
long.
Leaves
acute, coarsely sharp serrate, adaxially glabrous, abaxially thinly hairy, not soft to touch.
Inflorescence
(
Figs 9E–F
) axillary, leafy, with 5–9 flowers on ascending pedicels, rarely compound and lax with long ascending pedicels; pedicels (
Fig. 19G
) ascendant,
5–45 mm
long, green, with appressed hairs, 0–5 pricklets, and few (sub-)sessile glands.
Flowers
: sepals green, with white margin, patent, moderately or long pointed; petals (
Fig. 19H
) white, large, broad ovate or orbicular,
16–23 mm
long, width–length index 0.57–1.00; stamens longer than styles; anthers glabrous; styles green; ovaries and receptacle hairy.
Ecology:
—Roadsides, hedges, ruderal terrains.
Distribution in
South Africa
:
—In the
Western Cape
only in Simondium; rather common in northern
KwaZulu-Natal
; also at some localities in
Limpopo
and
Mpumalanga
.
FIGURE 19.
Rubus originalis
.
A.
Primocane with leaves.
B.
Primocane.
C.
Primocane.
D.
Leaf abaxially.
E.
Floricane with inflorescences.
F. I
nflorescence.
G.
Pedicels.
H.
Flower. Photographs: A. van de Beek.
Specimens:—
SOUTH AFRICA
:
Limpopo
:
Letaba
,
30 October 1959
,
Scheepers
750
(
PRE
)
.
Mpumalanga
:
Lydenburg District
,
Kalmoesfontein
plantation,
15 October 2020
,
Burrows
11959
(
PRE
)
.
KwaZulu-Natal
:
R 600
to
Sterkspruit Falls
, just before
Chateau Champagne
, left side of the road,
16 February 2018
,
Beek
2018.11
(
L
)
;
From Midmar Dam
to
Lion’s River
, just after
Mandela
capture site, right side of the road,
15 February 2019
,
Beek
2019.29
(
L
)
;
Mandela
capture site, lawn of the restaurant and conference centre,
15 February 2019
,
Beek
2019.30
(
L
)
;
Pietermaritzburg
, 1966,
Garrett
66
(
PRE
)
.
Western Cape
:
Simondium
, beginning of the road east of the
R 45
at the south of the town,
8 October 2018
,
Beek
2018.80
(
L
)
;
Ibid.
,
30 October 2018
,
Beek
2018.83
(
L
)
;
Ibid.
,
16 January 2019
,
Beek
2019.2
(
L
)
.