Download A revision of Clavija - Opera Botanica 107 (Theophrastaceae) by Bertil Ståhl. PDF

By Bertil Ståhl.

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Calyx with 5 lobes. Corolla white to yellow, 5-lobed. Stamens numerous; filaments pale; anthers yellow. Style 1; stigma capitate. 5 mm, oblong, dark shining brown, the funicle more than 10 mm, bent back on itself and almost completely circling the seed. Flowers 5–6. 2n = 26. Introduced. Planted for ornament in gardens and parks and locally more or less naturalised in Devonshire, the Isles of Scilly and Cos. Kerry and Cork. Native of Australia and Tasmania and long in cultivation in other parts of the world.

Naturalised on waste ground by railways and in gravel pits since 1970. Middlesex, Kent and Ross and Cromarty. Native of central and south-east Europe. Our plant is subsp. nigricans which occurs throughout the range of the species. 2. C. multiflorus (L’Hér. ex Aiton) Sweet White Broom Spartium multiflorum L’Hér. ex Aiton; C. ; C. ; Genista alba Lam. Unarmed shrub 1–3 m. Stems erect and much branched; branches flexible and 5-angled; twigs striate, sericeous when young, becoming glabrous at maturity.

Branches and leaves with spreading hairs; standard of corolla 6–8 mm 6(a). hispanica subsp. hispanica 4. Branches and leaves with appressed hairs; standard of corolla 8–11 mm 6(b). hispanica subsp. occidentalis 5. Seeds 1–2; leaves most or all fallen at flowering time 8. aetnensis 5. Seeds 3–12; leaves present at flowering time 6. 6. Calyx hairy on the surface 7. 6. Calyx hairy only on the margin or glabrous 8. 7. Corolla 11–15 mm 3. florida 7. Corolla 7–11 mm 4. pilosa 8. Corolla 10–15 mm; legume 15–30 mm 9.

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