Edit History
Dendrosenecio johnstonii (Oliv.) B.Nord. [family COMPOSITAE]
Date Updated: 19 August 2007
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 johnstonii (Oliv.) B.Nord. [family COMPOSITAE], in Opera Bot. 44: 42 (1978) pro parte. Type: Tanzania, Kilimanjaro, Johnston 15 (K!, lecto., BM!, isolecto., chosen by C. Jeffrey)
Senecio johnstonii Oliv. [family COMPOSITAE], in Trans. Linn. Soc. Bot. ser. 2, 2: 340, t. 60, fig. 2 (1887); Cotton in Hook. Ic. Pl. 33: t. 3288 (1935); T.T.C.L.: 158 (1949)
Senecio johnstonii subsp. johnstonii [family COMPOSITAE], : Mabb. in K.B. 28: 87 (1973) pro parte, autonym
Dendrosenecio johnstonii subsp. johnstonii [family COMPOSITAE], : B. Nord. in Opera Bot. 44: 42 (1978) pro parte, autonym
Senecio johnstonii var. johnstonii [family COMPOSITAE], : C. Jeffrey in K.B. 41: 888 (1986), autonym
Information
Upright, polycarpic plant to 10 m tall, with trunk 40 cm or more in diameter; pith 1–2 cm in diameter; stem with up to 1 cm between successive leaf nodes; reproducing and branching repeatedly to form a broad, dense canopy with 50–80 aerial meristems in mature trees. Leaf lamina cordate, to 53 cm long and 40 cm wide, lower portion of leaf constricted to form a sheathing pseudo-petiole to 27 cm long; leaf generally glabrous except sparsely pubescent along lower venation. Inflorescence broadly pyramidal to 60 cm tall, 40 cm in diameter; capitula presented horizontally. Ray florets 11–15; to 25 mm long; disc florets 30–50. Fig. 116 (page 552).
Range
DISTR. T 2 endemic to Kilimanjaro
Altitude range
2750–3350 m
Distribution
TANZANIA Kilimanjaro, above Marangu, Oct. 1893, Volkens 1131! & S slope between Umbwe and Weru Weru Rivers, Aug. 1932, Greenway 3150! & SE side, Jan. 1934, Schlieben 4575!
Notes
USES. None recorded on specimens from our area CONSERVATION Protected in the National Park; least concern (LC) The entry under this name in U.K.W.F. ed. 2: 223 (1994) refers to several taxa of Dendrosenecio.
Date Updated: 19 August 2007
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 johnstonii (Oliv.) B.Nord. [family COMPOSITAE], in Opera Bot. 44: 42 (1978) pro parte. Type: Tanzania, Kilimanjaro, Johnston 15 (K!, lecto., BM!, isolecto., chosen by C. Jeffrey)
Senecio johnstonii Oliv. [family COMPOSITAE], in Trans. Linn. Soc. Bot. ser. 2, 2: 340, t. 60, fig. 2 (1887); Cotton in Hook. Ic. Pl. 33: t. 3288 (1935); T.T.C.L.: 158 (1949)
Senecio johnstonii subsp. johnstonii [family COMPOSITAE], : Mabb. in K.B. 28: 87 (1973) pro parte, autonym
Dendrosenecio johnstonii subsp. johnstonii [family COMPOSITAE], : B. Nord. in Opera Bot. 44: 42 (1978) pro parte, autonym
Senecio johnstonii var. johnstonii [family COMPOSITAE], : C. Jeffrey in K.B. 41: 888 (1986), autonym
Information
Upright, polycarpic plant to 10 m tall, with trunk 40 cm or more in diameter; pith 1–2 cm in diameter; stem with up to 1 cm between successive leaf nodes; reproducing and branching repeatedly to form a broad, dense canopy with 50–80 aerial meristems in mature trees. Leaf lamina cordate, to 53 cm long and 40 cm wide, lower portion of leaf constricted to form a sheathing pseudo-petiole to 27 cm long; leaf generally glabrous except sparsely pubescent along lower venation. Inflorescence broadly pyramidal to 60 cm tall, 40 cm in diameter; capitula presented horizontally. Ray florets 11–15; to 25 mm long; disc florets 30–50. Fig. 116 (page 552).
Range
DISTR. T 2 endemic to Kilimanjaro
Altitude range
2750–3350 m
Distribution
TANZANIA Kilimanjaro, above Marangu, Oct. 1893, Volkens 1131! & S slope between Umbwe and Weru Weru Rivers, Aug. 1932, Greenway 3150! & SE side, Jan. 1934, Schlieben 4575!
Notes
USES. None recorded on specimens from our area CONSERVATION Protected in the National Park; least concern (LC) The entry under this name in U.K.W.F. ed. 2: 223 (1994) refers to several taxa of Dendrosenecio.
Date Updated: 19 August 2007
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 johnstonii (Oliv.) B.Nord. [family COMPOSITAE], in Opera Bot. 44: 42 (1978) pro parte. Type: Tanzania, Kilimanjaro, Johnston 15 (K!, lecto., BM!, isolecto., chosen by C. Jeffrey)
Senecio johnstonii Oliv. [family COMPOSITAE], in Trans. Linn. Soc. Bot. ser. 2, 2: 340, t. 60, fig. 2 (1887); Cotton in Hook. Ic. Pl. 33: t. 3288 (1935); T.T.C.L.: 158 (1949)
Senecio johnstonii subsp. johnstonii [family COMPOSITAE], : Mabb. in K.B. 28: 87 (1973) pro parte, autonym
Dendrosenecio johnstonii subsp. johnstonii [family COMPOSITAE], : B. Nord. in Opera Bot. 44: 42 (1978) pro parte, autonym
Senecio johnstonii var. johnstonii [family COMPOSITAE], : C. Jeffrey in K.B. 41: 888 (1986), autonym
Information
Upright, polycarpic plant to 10 m tall, with trunk 40 cm or more in diameter; pith 1–2 cm in diameter; stem with up to 1 cm between successive leaf nodes; reproducing and branching repeatedly to form a broad, dense canopy with 50–80 aerial meristems in mature trees. Leaf lamina cordate, to 53 cm long and 40 cm wide, lower portion of leaf constricted to form a sheathing pseudo-petiole to 27 cm long; leaf generally glabrous except sparsely pubescent along lower venation. Inflorescence broadly pyramidal to 60 cm tall, 40 cm in diameter; capitula presented horizontally. Ray florets 11–15; to 25 mm long; disc florets 30–50. Fig. 116 (page 552).
Range
DISTR. T 2 endemic to Kilimanjaro
Altitude range
2750–3350 m
Distribution
TANZANIA Kilimanjaro, above Marangu, Oct. 1893, Volkens 1131! & S slope between Umbwe and Weru Weru Rivers, Aug. 1932, Greenway 3150! & SE side, Jan. 1934, Schlieben 4575!
Notes
USES. None recorded on specimens from our area CONSERVATION Protected in the National Park; least concern (LC) The entry under this name in U.K.W.F. ed. 2: 223 (1994) refers to several taxa of Dendrosenecio.
![Dendrosenecio johnstonii (Oliv.) B.Nord. [family COMPOSITAE]](/fsi/img/misc/plants/static_thumbs/flora_tropEA_icon96.jpg)
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