Senecio lamarckianus
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| Bois De Chèvre | ||||||||||||||||
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| Senecio lamarckianus Bullock |
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Senecio appendiculatus (Lam.) DC ex Bojer[1] |
Senecio lamarckianus, the Bois De Chèvre (English: Goat of the Wood), is a species of flowering plant in the Asteraceae family and a member of the genus Senecio. It is endemic to the island Mauritius and is threatened by habitat loss.[2]
S. lamarckianus is named after the French philosopher, botanist and zoologist Jean-Baptiste Pierre Antoine de Monet, Chevalier de Lamarck.[1]
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[edit] Description
Goat of the Wood or S. lamarckianus is a many branched perennial shrub that grows to be 2 metres (6.6 ft) to 3 metres (9.8 ft) tall.[1]
Leaves and stems: The stalk and branches are densely covered with white hairs. Oblong leather-like leaves[1] are silvery greenish colored,[3] 11 centimetres (4.3 in) to 13 centimetres (5.1 in) long by 3 centimetres (1.2 in) to 5.2 centimetres (2.0 in) wide and are attached to the branch with a leaf stalk[1] 1 centimetre (0.39 in) to 2 centimetres (0.79 in) long, which bear on opposite sides small, well-spaced lanceolate lobules. Pointed at the tips and slender at the base; serrated, more so at the tips,[3] mostly hairless on the tops and densely hairy underneath.[1]
Flowers: Numerous flower heads which cluster into a flat top, each on its own flower stalk; center flower heads tending to open first.[1] Inflorescence is completely covered in white hairs and appears in groups of seven.[3] Clusters composed of ray florets, with 2.8 millimetres (0.11 in) long yellow rays, tube 2 millimetres (0.079 in) long. Internal florets, with yellow 3.9 millimetres (0.15 in) corolla with 1.6 millimetres (0.063 in) long lobes.[1]
Fruits: Achenes can vary between 1.2 millimetres (0.047 in) and 1.8 millimetres (0.071 in) in length, are smooth and bear a pappus of 2.7 millimetres (0.11 in) to 3 millimetres (0.12 in) long with white hairs.[3]
[edit] Distribution
Endiemic to Mauritius, now very rare, found in dry mountainous regions around the summit peaks of the island. Localities: Mondrain, Pieter Both Mountain, Gubbies, Piton du Fouge Ridge Forest,[2] crests above Port Louis[1], most of them in Piton du Fouge. There is a chance there are more individuals in more remote areas.[2]
[edit] Possible synonyms
- Senecio lyratus Forssk.
- Senecio auriculatus Vahl
- Senecio lyratipartitus A.Rich.
- Cineraria schimperi Oliv. & Hiern
- Senecio basipinnatus Baker
- Senecio masonii De Wild.
- Senecio lyratipartita (A.Rich.) Cuf.[4]
[edit] References
- ^ a b c d e f g h i Ameenah Gurib-Fakim, Thomas Brendler (2004). Medicinal and Aromatic Plants of Indian Ocean Islands. CRC Press. ISBN 3887630947.
- ^ a b c Page, W. & Florens, D. (2000). Senecio lamarckianus – Critically Endangered (HTML). 2006 IUCN Red List of Threatened Species. . Retrieved on 2008-03-09.
- ^ a b c d Senecio lamarckianus (Bois de Chèvre) (HTML). Endemics In Mondrain. floralis. Retrieved on 2008-03-09.
- ^ Entry for Senecio lyratus Forssk. [family COMPOSITAE] (HTML). African Plants. Ithaka Harbors, Inc.. Retrieved on 2008-03-09.
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