Raphionacme
Read about Raphionacme in the Standard Cyclopedia of Horticulture
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Raphionacme (Greek, needle, and point, referring to the 5 pointed or awned scales in the throat of the corona). Asclepiadaceae. Herbs, with tuberous root- stock often furnished with an elongated woody neck; juice milky: lvs.opposite: fls. small or moderate-sized, terminal in few- or many-fld. cymes, or in the forks of the st., or subaxillary from one axil, rarely from both; calyx 5-parted; corolla-tube distinct, campanulate, lobes 5, erect, spreading or reflexed; crown of 5 free, entire, 2-3-divided or 3-parted lobes alternating with the corolla-lobes: follicles often solitary by abortion.— About 35 species, Trop, and S. Afr. R. utilis, N.E. Br. & Stapf. Perennial herb with a turnip-shaped tuber 2-5 in. diam., covered with dark brown flaky bark: sts. annual, 1—4 in. long, erect or decumbent: lvs. in 2-5 pairs, opposite or forming a rosette close to the ground, orbicular, elliptic or oblong-ovate, obtuse and apiculate or subacute at the apex, rounded or subcor- date at base, green above, purple beneath: fls. in small terminal and axillary cymes or clusters, bright purple; sepals lanceolate, acute, purplish with green tips; corolla atout 1/2in- diam., deeply 5-lobed. Trop. Afr. B.M. 8221. F. Tract Hubbard.
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
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