Senna stipulacea var. anglorum H.S.Irwin & Barneby
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Authors
Howard S. Irwin, Rupert C. Barneby
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Authority
Irwin, Howard S. & Barneby, Rupert C. 1982. The American Cassiinae. A synoptical revision of Leguminosae tribe Cassieae subtrib Cassiinae in the New World. Mem. New York Bot. Gard. 35, part 1: 1-454.
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Family
Caesalpiniaceae
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Scientific Name
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Type
Holotypus, K (hb. Hook.); isotypus, BM.
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Synonyms
Cassia myrtifolia Phil.
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Description
Variety Description - Characters as given in key [Key: "Secondary venation of lfts prominulous on both faces and giving rise to delicately raised tertiary connecting or reticular venulation; ovules 5-7; Valparaiso and Coquimbo, lat. 34° n.-ward."]; filaments of abaxial stamens a little shorter, of 2 longer ones 2-2.5 mm, of the centric one 1.8-2 mm; style 1.2-2 mm.—Collections: 10.
Distribution and Ecology - Wooded ravines and moist thickets along and near the coast of central Chile, mostly below 500 m, known only from the provinces of Valparaiso and Coquimbo.—Fl. VIII-XII(-?).
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Discussion
The northern form of the mayu was collected so frequently by the earlier botanists in Chile, by Gay, Poppig, Bertero, Cuming, Macrae, Bridges and Mathews, that it tended to eclipse the original C. stipulacea of Pavon both in herbaria and in the literature. While variable in pubescence, the foliage tends to be of a darker green than that of var. stipulacea; it is perhaps of thinner texture when fresh. The portrait in Curtis’s Botanical Magazine cited above is an excellent likeness. At the time this was written up by Turrill the source of the model was unknown, but according to a letter filed with a cultivated specimen at Kew it was grown from seed collected by G. W. Robinson in Renaca valley 10-12 miles north of Valparaiso.
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Distribution
Valparaíso Chile South America| Coquimbo Chile South America|