Pterodiscus
Read about Pterodiscus in the Standard Cyclopedia of Horticulture
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Pterodiscus (Greek, wing and disk, having reference to the wings of the disk of the fr.). Pedalia- ceae. Perennial succulent herbs: st. tuberous at the base: lvs. opposite or alternate, coarsely dentate to pinnate-laciniate, rarely subentire: fls. solitary, short- pedicelled in the lf.-axils, yellow or purple; calyx small. 5-parted; corolla-tube funnel-shaped, oblique or slightly gibbous at base, limb somewhat 2-lipped, lobes subequal, orbicular; ovary 2-celled, cells undivided: fr. indehiscent, laterally compressed, with 4 longitudinal wings, unarmed. About 15 species in Trop, and S. Afr. P. speciosus, Hook. St .-base globose :st. densely glandular, 3-6 in. high: lvs. rather numerous, crowded in the upper part of st., linear to linear-oblong: calyx- segms. lanceolate, acuminate; corolla bright red-purple: fr. suborbicular, cordate at base. Trop, and S. Afr. B.M. 4117. G.Z. 21, p. 49. P. luridus, Hook, f., having dull yellow fls. and a native of S. Afr., is also occasionally cult. B.M. 5784.
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
- w:Pterodiscus. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
- Pterodiscus QR Code (Size 50, 100, 200, 500)