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X.—The Arborescent Senecios of Kilimanjaro: A Study in Ecological Anatomy

Published online by Cambridge University Press:  09 April 2017

C. Leighton Hare
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Extract

The highly specialised features of the Compositæ leave little room for doubt that the family is an advanced one, and it is not without significance that the vast majority of its species should be herbaceous plants; shrubby species are infrequent, while trees are of the rarest occurrence. The markedly herbaceous habit is further emphasised if attention is confined to the large and widespread genus Senecio, comprising over 2000 species, for, although they include plants of very diverse habit, few attain to tree dimensions, or possess a welldeveloped, perennial, woody trunk. Herbs or shrubs account for 99 per cent, of the species, the former greatly predominating. The remainder comprises a small group of about 20 species, which have assumed the arborescent habit.

Type
Research Article
Information
Earth and Environmental Science Transactions of The Royal Society of Edinburgh , Volume 50 , Issue 2 , 1915 , pp. 355 - 371
Copyright
Copyright © Royal Society of Edinburgh 1942

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References

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