Compilation
Senecio elgonensis

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Name

Identification
Senecio elgonensis T.C.E.Fr. [family ASTERACEAE ] Dendrosenecio elongensis (T.C.E.Fr.) E.B.Knox [family ASTERACEAE ] (stored under name);
Related name
  • Senecio elgonensis
  • Senecio snowdenii
  • Dendrosenecio elongensis
  • Senecio unrecorded

Flora

Entry for Dendrosenecio elgonensis subsp. elgonensis [family COMPOSITAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, Part Part 3, page 547, (2005) Author: H. Beentje, C. Jeffrey & D.J.N. Hind
Names
Dendrosenecio elgonensis subsp. elgonensis [family COMPOSITAE]
Senecio elgonensis T.C.E.Fr. [family COMPOSITAE], in Svensk Bot. Tidskr 17: 229 (1923); I.T.U.: 97, photo 13 (1952); A.V.P.: 228 (1957); K.T.S.: 160 (1961); Hamilton, Field Guide Uganda For. Trees: 79 (1981)
Senecio amblyphyllus Cotton [family COMPOSITAE], in K.B. 1932: 473 (as amblyophyllus) (1932), corr. Cotton in K.B. 1937: 368 (1937); I.T.U.: 97 (1952); K.T.S.: 159 (1961); Hamilton, Field Guide Uganda For. Trees: 79 (1981). Type: Kenya, Mt Elgon, small stream on Kassowai River, Fairbairn 2678 (K!, holo., EA!, iso.)
Senecio johnstonii (T.C.E.Fr.) Mabb. subsp. elgonensis [family COMPOSITAE], in K.B. 28: 85 (1973)
Dendrosenecio johnstonii (T.C.E.Fr.) B.Nord. subsp. elgonensis [family COMPOSITAE], in Opera Bot. 44: 42 (1978)
Senecio johnstonii var. elgonensis [family COMPOSITAE], ; C. Jeffrey in K.B. 41: 889 (1986); K.T.S.L.: 561 (1994)
Information
Plant to 7 m tall, with trunk to 30 cm in diameter; pith 2.5–3 cm in diameter; stem normally cloaked with marcescent foliage (or with retained leaf-bases after fire) but eventually lost as bark develops. Periodic reproduction yields sparsely branched, spreading plants that rarely exceed five reproductive cycles. Leaf lamina elliptic or cordate, to 97 x 32 cm, with lower portion of leaf constricted with the lamina extending along the midvein and flared at the base, lower leaf surface glabrous except along midvein. Capitula presented horizontally. Ray florets 11–13, to 24 mm long; disc florets 40–70.
Range
DISTR. U 3; K 3, 5 endemic to Mt Elgon
Altitude range
2750–4200 m
Distribution
KENYA Mt Elgon, Feb. 1932, Lugard & Lugard 699! & near Kassowai River, 1932, Porter 2732! & Telel, Jan. 1935, Dale 3378!UGANDA Mt Elgon, Sep. 1932, A.S. Thomas 628! & First Baguishi Hut, Jan. 1934, Dale K 3211! & above Bulambuli, Aug. 1934, Synge 888!
Notes
USES. None recorded on specimens from our area CONSERVATION Protected in the National Park; least concern (LC) Young plants in partly shaded situations at lower elevations may display some internode elongation.

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