Compilation
Epilobium neriophyllum

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Name

Identification
Epilobium flavescens E. Meyer sensu H. Perrier [family ONAGRACEAE ] Epilobium neriophyllum Hausskn. [family ONAGRACEAE ] Epilobium salignum Hausskn. [family ONAGRACEAE ] (stored under name);
Related name
  • Epilobium tetragonum
  • Epilobium neriophyllum
  • Epilobium salignum
  • Epilobium flavescens

Flora

Entry for EPILOBIUM salignum Hausskn. [family ONAGRACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, page 1, (1953) Author: J. P. M. BRENAN
Names
EPILOBIUM salignum Hausskn. [family ONAGRACEAE], in Oesterr. Bot. Zeitschr. 29: 90 (1879); Hausskn., Monogr. Epilobium 236 (1884); Perrier de la Bâthie in Humbert, Not. Syst. 13: 138 (1947). Type: Madagascar, Antananarivo & Be’zonzong, Bojer (P, lecto., K, photo.!)
EPILOBIUM neriophyllum Hausskn. [family ONAGRACEAE], in Abh. Naturw. Verein. Bremen 7: 19 (1880), in obs.; Hausskn., Monogr. Epilobium 236 (1884); Engl. in V.E. 3 (2): 773 (1921). Type: South Africa, Boschberg, MacOwan 1487 (K, lecto.!)
EPILOBIUM benguellense Welw. ex Hiern [family ONAGRACEAE], Cat. Afr. Pl. Welw. 1: 378 (1898). Types: Angola, Huila, Welwitsch 4458, 4459 (BM, syn.!, K, isosyn.!)
EPILOBIUM neriophyllum (Welw. ex Hiern) Engl. subsp. benguellense [family ONAGRACEAE], in V.E. 3(2): 773 (1921)
EPILOBIUM neriophyllum Engl. var. welwitschii [family ONAGRACEAE], in V.E. 3 (2): 773 (1921). No type cited
EPILOBIUM neriophyllum Engl. subsp. cylindrostigma [family ONAGRACEAE], in V.E. 3 (2): 773 (1921). No type indicated, but recorded from Tanganyika Territory, Ruanda-Urundi and the French Cameroons
EPILOBIUM neriophyllum Engl. subsp. ellenbeckii [family ONAGRACEAE], in V.E. 3 (2): 773 (1921). No specimen given, but the locality: Abyssinia, Arusi-Galla Land, Jidah, 2600 m.
Information
Herbaceous or thinly woody, up to 1.5 m. high, often branched above, appressed grey-puberulous on stems, margins and veins of leaves, ovaries, outside of sepals and fruits; leaves sometimes glabrous; no capitate glandular hairs. Stems without imbricate scale-leaves at base. Leaves lanceolate to oblong-linear, 2–8 cm. long, 0.3–1.4 cm. wide, obtuse or subacute at apex, cuneate to narrowly rounded at base; petiole usually 1.5–4.5 mm. long. Flowers nodding, white or cream, often pink-tinged later. Sepals 4.5–7.5 mm. long. Petals 6–11.5 mm. long, 3–4.5 (sometimes to 7) mm. wide, lamina elliptic or narrowly obovate-elliptic. Style 3.5–7 mm. long. Stigma variable in shape, normally oblong to ellipsoid more rarely obovoid, entire or nearly so, 2–3.5 mm. long, 0.7–1.5 mm. wide. Capsules 3–8 cm. long; pedicels 1.3–4.5 cm. long. Fig. 1/4, (p. 3).
Range
DISTR. U2; K3, 4; T4, 6, 7 eastern side of Africa from Abyssinia southwards to South Africa, westwards to the French and British Cameroons and Angola; also in Madagascar
Altitude range
1070–2830 m.
Distribution
KENYA Elgon, Cherangani Hills, Dec. 1933, Mrs. Powles 35!KENYA Uasin Gishu District Kipkarren, Oct. 1931, Mrs. Brodhurst-Hill 505!TANGANYIKA Ufipa District Ufipa Plateau, Lua, 16 Apr. 1934, Michelmore 1029!TANGANYIKA Uluguru Mts., Lukwangule, 2 Jan. 1934, Michelmore 880!UGANDA Toro District E. Ruwenzori, Bwamba Pass, July 1940, Eggeling 4031!;UGANDA Kigezi District Kachwekano Farm, Jan. 1950, Purseglove 3188!
Notes
Habit, amount of branching, width of leaves, shape and size of stigma all vary a good deal in this species, but I can find no evidence to justify the elaborate subdivisions of Engler in V.E. 3 (2): 773 (1921). The indumentum, leaf-shape and characteristic colour of the rather small flowers together usually make E. salignum an easily recognized species. Some Madagascar gatherings look unusual in their rather broad foliage and slightly larger flowers, possibly induced by shade, but agree closely in essentials with continental African specimens.

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