Rubus originalis Bailey (1945: 794)

Beek, Abraham Van De, 2021, Rubi Capenses: a further contribution to the knowledge of the genus Rubus (Rosaceae) in South Africa, Phytotaxa 515 (1), pp. 1-71 : 47-48

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.

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) .

Figures

FIGURE 9. Rubus chrysocarpus. A. Habit. B. Primocane with leaves. C. Primocane. D. Primocane. E. Leaf, adaxially. F. Leaf, abaxially. G. Flowering branch. H. Inflorescence. I. Pedicels and flowers. J. Fruits. Photographs: A. van de Beek.

FIGURE 19. Rubus originalis. A.Primocane with leaves. B. Primocane.C. Primocane.D. Leaf abaxially.E. Floricane with inflorescences. F. Inflorescence. G. Pedicels. H. Flower. Photographs:A. van de Beek.