Plants and their ways in South Africa . 2 Plants and their Ways in South Africa A. honida, W. (Karroo Thorn or Doornboom) has ivory-white thorns(stipules). A. giraffae, Bch., has strong brown thorns. BB. Stamens connate. Albizzia.—Petals united; stamens joined at base into atube; leaves bipinnate with glands ; unarmed. Flowers inheads or spikes with long white, rosy, or purple featheryclusters of stamens. Two South African species. Zygia, found in Natal, has a longer staminal tube thanAlbizzia, AA. Stamens lo; pollen powdery. Htltada has spicate flowers ; the margined fruit breakstransversely
Plants and their ways in South Africa . 2 Plants and their Ways in South Africa A. honida, W. (Karroo Thorn or Doornboom) has ivory-white thorns(stipules). A. giraffae, Bch., has strong brown thorns. BB. Stamens connate. Albizzia.—Petals united; stamens joined at base into atube; leaves bipinnate with glands ; unarmed. Flowers inheads or spikes with long white, rosy, or purple featheryclusters of stamens. Two South African species. Zygia, found in Natal, has a longer staminal tube thanAlbizzia, AA. Stamens lo; pollen powdery. Htltada has spicate flowers ; the margined fruit breakstransversely into i-seeded parts. Shrubs, mostly climbing bytendrils (terminal pinnae) or by hooked prickles. Elephantorhiza (Elands boontjes) is a small glabrousshrub with very large roots. Legume dehiscing by valvesseparating from the margins continuous. Leaves bi-pinnate ;flowers in dense spike-like racemes. Sub-tribe C^salpine^e. Cassia.—Flowers nearly regular, yellow. Stamens lo, orthe 3 upper wanting. In some the lower anthers are longer,. Fig. 285.—Cassia arachoides, Bur. Vertical section of flower : sa, largestamens ; sb^ small stamens ; sc, staminodes. (From Edmonds and Marloths Elementary Botany for South Africa.) and open by terminal pores. These brush against the insectsbody while it is eating pollen from the upper ones. The Classification of Plants , 313 ovaries bend to the right in some flowers, toward the left inothers. Trees or shrubs. Eastern. Leaves pari-pinnate. Schotia.—A handsome Eastern tree, with panicles ofcrimson or pink flowers. S. latifolia, Jacq. (Boerboon) hasmonadelphous stamens. Each seed has a yellow cup-likearillus. The pods are-roasted for food. Legume winged ; leavesparipinnate. Sub-tribe Papilionace^. A. Stamens free. Podalyria.—Legume rounded, woolly. Leaves simple orpalmately compound. Silvery-leaved shrubs with deciduous stipules. Flowers purple, rosy,or bluish white. Virgilia.—Legume flattened, woolly, stuffed between theseeds. Calyx silky
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplants, bookyear1915
