Piptadenia
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| Exposure: | ☼ | ?"?" is not in the list (sun, part-sun, shade, unknown) of allowed values for the "Exposure" property. |
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| Water: | ◍ | ?"?" is not in the list (wet, moist, moderate, dry, less when dormant) of allowed values for the "Water" property. |
Read about Piptadenia in the Standard Cyclopedia of Horticulture
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Piptadenia (Greek, falling gland; meaning obscure). Leguminosae. About 45 species of shrubs or trees, mostly native to S. and Cent. Amer., a few in the tropics of the Old World, similar to Mimosa and Acacia: lvs. bipinnate with numerous small lfts., rarely with few and large lfts. : fls. small, white, in axillary globose heads or cylindric spikes; petals small, equal, connate to the middle; stamens 10, free: pod broadly linear, 2-valved, not septate within and not pulpous. The following species has been intro. to Calif, by Franceschi chiefly for its economic interest; in its native country it is valued for tan bark. Prop, by seeds. P. Cebil, Griseb. (P. macrocarpa var. Cebil, Chodat & Hassler). Tree, to 60 ft., glabrous: lvs. with 10-16 pairs of opposite pinnae, each with 24—40 pairs of linear- oblong acutish lfts. about 1/6 in. long; petiole about 1 in. long with a conspicuous gland near the middle: fl.- heads globose, axillary, 1—4, 1/2 in. across, on slender pedicels 3/4-l in. long; stamens long-exserted: pod 6-8 in. long, about 3/4 sin, wide, sinuate between the seeds. Argentina. The following three species have been recently intro. by the Dept. of Agrie.: P. communis, Benth. (Acacia gonoacantha, Mart.). Prickly tree or shrub sometimes sarmentose: branchlete puberulous, angled, older branches sometimes developing corky wings; prickles email: lvs. with 5-12 pairs of pinnae, each with many oblique, falcate, linear lfts.: fl.-spikes 2-3 in. long, solitary or 2-3 in the axils or sometimes crowded at the end of the branches; ovary glabrous: pod linear, 3-4 in. long, reticulate, with scarcely thickened margin. Brazil. Fl. Brasil. 15, 2:74.— P. macrocarpa, Benth. (Acacia grata, Willd.). Unarmed tree: branchlets and petioles grayish tomentulose: lvs. about 6 in. long, with 10-25 pairs of pinnae, each with many oblique linear lfts. scarcely 1 line long: fl.-heads peduncled, globose, many-fld., 2-4, axillary, sometimes crowded at the end of the branchfets: pod 4-10 in. fong, 3/4 -1 in. bread, with thickened margin. Brazil, Bolivia.—P. rigida. Benth. (Acacia Angico, Mart.). Unarmed tree or shrub, nearly glabrous: lvs. with 3-6 pairs of pinnae. each with many oblique linear, falcate, lustrous lfta. about 1/3 in. long: a.-spikes axillary, 1-1 1/2 in. long; ovary glabrous: pod linear, to 5 in. long, with slightly thickened margin. Brazil. It furnishes the Angico gum similar to gum Arabic; the bark is rich in tannin. Other species, known as acacias, are likely to appear in cult. P. chrysostachys, Benth. (Acacia chrysostachys, Sweet). Unarmed tree, puberulous: pinnae 3-6 pairs; lfts. 8-15 pairs, oblong, obtuse, nearly 1/3 in. long: spikes solitary or 2, dense, 3 in. long: calyx and corolla grayish pubescent. Madagascar. The wood is used by the natives for musical instruments.—P. latifolia, Benth. (Acacia fruticosa. Mart.). To 4 ft. high: lvs. bipinnate, glabrous, with 2 or 3 pbovate-elliptic lfts.: fl.-spikes axillary, or terminal panicles. Brazil.—P. peregrina, Benth. The Acacia microphylla, Willd., is referred here. It is unarmed: pinnae 25 pairs; lfts. 5O-60 pairs, linear, acute, ciliate; large gland at base of petiole: branches and petioles pubescent: heads pedunculate, twin, in the axils: pod linear, 9 in. long. Brazil to Trinidad. ALFRED REHDER. CH
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
- w:Piptadenia. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
- Piptadenia QR Code (Size 50, 100, 200, 500)