Compilation
Dendrosenecio erici-rosenii

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Name

Identification
Senecio adnivalis Stapf [family COMPOSITAE ] Verified by Not on sheet, Dendrosenecio erici-rosenii (R.E.Fr. & T.C.E.Fr.) E.B.Knox [family COMPOSITAE ] (stored under name); Verified by Not on sheet,
Related name
  • Senecio erici-rosenii
  • Senecio kahuzicus
  • Senecio alticola
  • Senecio adnivalis
  • Senecio longeligulatus
  • Senecio johnstonii
  • Dendrosenecio erici-rosenii

Flora

Entry for Dendrosenecio erici-rosenii (R.E.Fr. & T.C.E.Fr.) E.B.Knox [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 erici-rosenii (R.E.Fr. & T.C.E.Fr.) E.B.Knox [family COMPOSITAE], in Contr. Univ. Michigan Herb. 19: 244 (1993). Type: Congo (Kinshasa), Mt Nyiragongo, Fries 1716 (UPS!, holo.)
Senecio johnstonii (De Wild.) Mabb. subsp. refractisquamatus [family COMPOSITAE], in K.B. 28: 82 (1973) pro parte
Dendrosenecio johnstonii (De Wild.) B.Nord. subsp. refractisquamatus [family COMPOSITAE], in Opera Bot. 44: 42 (1978) pro parte
Senecio johnstonii (Stapf) C.Jeffrey subsp. adnivalis [family COMPOSITAE], in K.B. 41: 889 (1986) pro parte
Information
Upright, polycarpic plant to 9 m tall, with trunk to 50 cm in diameter; pith to 2 cm in diameter; stem with densely packed leaf-rosettes of 10–30 leaves, with no internode elongation; covered with retained leaf-bases for 1–3 m below the leaf-rosettes. Frequent reproduction yields densely branched, spreading plants that regularly attain five or more reproductive cycles. Leaf lamina oblanceolate, to 67 cm long and 26 cm wide, hair cushion present or absent on upper leaf-base, lower surface glabrous or sparsely pubescent to densely lanate, villose along lower midvein. Inflorescence narrowly pyramidal to 100 cm tall, 40 cm in diameter; capitula pendulous or presented horizontally. Ray florets 9–14, to 22 mm long; disc florets 35–120.

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