Wild, H. & Pope, G.V. (1977) The Compositae of the Flora Zambesiaca area. 7. Vernonieae (excluding Vernonia). Kirkia 10(2) 339-384
Perennial herbs with annual stems from a woody rootstock. Leaves mostly basal; those on the stem alternate, sessile or ± so, the base clasping the stem; upper leaves grading into bracts. Capitula few-flowered, numerous, aggregated into bracteate glomerules, homogamous. Involucre narrowly ovoid-cylindric. Phyllaries few-seriate, with spiny apices. Achenes narrowly turbinate-cylindric, c.10-ribbed. Pappus 1-seriate; setae 7-10 with bases broad, scale-like and usually overlapping. Worldwide: 30 species from tropical and warm parts of the world. Burundi: 5 taxa. |
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Species | Content | |
mollis Kunth | ||
scaber L.[Agg] | ||
scaber L. subsp. plurisetus (O. Hoffm.) Philipson var. plurisetus | Description, Image | |
scaber L. subsp. plurisetus (O. Hoffm.) Philipson var. brevisetus Philipson | ||
scaber L. subsp. plurisetus (O. Hoffm.) Philipson |