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(Last Modified On 11/15/2012)
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(Last Modified On 11/15/2012)
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Species
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CALLIANDRA MAGDALENAE (Bert.) Benth.
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PlaceOfPublication
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Lond. Jour. Bot. 5:102. 1846.
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Synonym
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Acacia Magdalenae Bert. ex DC. Prodr. 2:455. 1825. Feuilleea Magdalenae Ktze. Rev. Gen. PI. 1:188. 1891. Calliandra riparia Pittier, Arbol. y Arbust. Legum. Dec. 6-8:80. 1927. Anneslia Magdalenae Britt. & Rose, in N. Am. Fl. 23:60. 1928. Anneslia Tonduzii Britt. & Rose, loc. cit. 61. 1928. Anneslia chiapensis Britt. & Rose, loc. cit. 1928. Calliandra Schultzei Harms, in Fedde Rep. Sp. Nov. 24:209. 1928. Calliandra Tonduzii Standl. in Field Mus. Publ. Bot. 4:309. 1929. Calliandra angustidens Britt. & Killip, in Ann. N. Y. Acad. Sci. 35:134. 1936.
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Description
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Tree to 10 m. tall, the branchlets somewhat ascending-pubescent when young, becoming glabrous in age. Leaves moderate, bipinnate, the pinnae 1 pair, the leaflets several (usually 10-20) per pinna; petiole short, about 1 cm. long, terete, tomentulose, eglandular, bearing terminally an apicule from the lower side; pin- nular rachis 5-9 cm. long, ridged and tomentose above; leaflets linear-ovate or linear-lanceolate to linear-oblong, mostly about 1 cm. long and 3 mm. wide, broadly acute or sometimes obtuse apically and minutely mucronulate, obliquely truncate basally, glabrous above and below, lustrous above, often ciliate, the costa slightly excentric, 1-2 minor veins palmate from the base, secondary veins promi- nently reticulate; stipules lanceolate, 3-6 mm. long, striate, subpersistent. In- florescence of axillary, pedunculate heads; peduncles about equalling petioles, puberulent; floral bracts lanceolate, quite small, persistent. Flowers rose-red, several in dense globular heads; calyx funnelform-campanulate, about 2 mm. long, glabrous, striate; corolla funnelform, 5-7 mm. long, glabrous, the lobes prominent; stamens in age 2.5 or more cm. long, the staminal tube about equalling the corolla. Legume linear-oblong, reported up to 14 cm. long and about 1 cm. wide, pubescent when young, said to be (erroneously?) glabrous at maturity.
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Habit
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Tree
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Distribution
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As here interpreted (broadly), southern Mexico, Central America to northern South America.
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Specimen
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CHIRIQUI: Progreso, Cooper d Slater 3i8; Remedios, Allen 3666; San Felix, Allen I958; R. Tinta, Woodson, Allen & Seibert 40I. VERAGUAS: Sona', Allen 1o40.
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Note
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While the species assumes a fairly constant form in Panama, it grades into a number of variants in northern Central America and Mexico, and in northern South America. As a result numerous bipinnular "species" have been described which are nearly impossible to delimit precisely. South American (Colombian) specimens taken by Britton & Killip to be C. Magdalenae may appear quite dif- ferent from those of northern Central America and even Panama. On the other hand, there seems little doubt that the Colombian C. Schultzei is the same species as our Panamanian citations. Yet Bentham cites a Seemann collection (as being C. Magdalenae) from the same province as the Allen I040 collection. With un- certainty as to the exact boundaries of C. Magdalenae, a few possible and probable synonyms have been combined for practical reasons under the oldest name. Should C. Schultzei in reality be distinct from C. Magdalenae, both it (on the basis of recent collections) and C. Magdalenae (solely on the basis of Bentham's citation) would have to be considered as occurring in Panama.
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