Ipomoea setosa subsp. pavonii
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https://dx.doi.org/10.3897/phytokeys.143.32821 |
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https://treatment.plazi.org/id/B3C73BF1-E1C0-28A1-B035-C471203ADDAA |
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Ipomoea setosa subsp. pavonii |
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216b. Ipomoea setosa subsp. pavonii View in CoL (Hallier f.) J.R.I. Wood & Scotland, comb. & stat. nov
urn:lsid:ipni.org:names:
Calonyction pavonii Hallier f., Bull. Herb. Boiss. 5: 1048. 1897. (Hallier 1897b: 1048). Type. ECUADOR. Guayaquil, R. Spruce 6498 ex Herb. De Candolle (lectotype G00418182, designated here).
Ipomoea setosa var. pavonii (Hallier f.) House, Ann. New York. Acad. Sci. 18: 220. 1908. (House 1908b: 220).
Ipomoea chaetophora Hallier f., Meded. Rijks-Herb. 46: 20. 1922. (Hallier 1922: 20). Type. Based on Calonyction pavonii Hallier f.
Ipomoea pickelii Hoehne, Boletin de Agricutura ( São Paulo), 35(1): 477. 1934. (Hoehne 1934: 477). Type. BRAZIL. Pernambuco, D. Pickel 386 (whereabouts uncertain, SP?).
Ipomoea horrida Huber ex Ducke , Anais. Acad. Brasil. Cienc. 31: 304. 1959. (Ducke 1959: 304). Type. BRAZIL. Ceará, A. Ducke 1151 (holotype MG, isotype F).
Diagnosis. Leaves 3-lobed. Sepals glabrous, lacking fleshy trichomes. Corolla relatively small, 5-6.5 cm long.
Illustration.
Figure 15A, B View Figure 15 .
Distribution.
Essentially restricted to South America, but occurring occasionally elsewhere (Jamaica, United States) and in the Old World. It is sporadic and uncommon everywhere. It usually grows in disturbed bushy areas and appears to be most common in the Andean foothills on the border between Argentina and Bolivia.
ARGENTINA. Salta: T. Meyer 8493 (S); Legname & Cuezzo 8007 (CTES, LIL); San Martin, Legname et al. 10148 (K, LIL). Jujuy: O. Ahumada 4245 (CTES); O. Ahumada & Castellon 7259 (CTES).
BRAZIL; Bahia: Est. Embasa Cachoeira, Pedro do Cavalho et al. 341 (NY); Feira de Santana, F. França & E. Melo 1886 (K, UEFS). Ceará: Maracanaúm A. Ducke 2544 (K).
GUYANA. Cultivated, sine data (K).
BOLIVIA. Chuquisaca: Tomina, Río Azero, J.R.I. Wood 8283 (K, LPB). Santa Cruz: Cordillera, Lagunillas, A. Krapovickas & A. Schinini 31364 (CTES, LIL); Florida, Mairana, M. Nee 47760 (LPB, NY, USZ); Ñuflo de Chávez, Lomerío, F. Mamani 774A (USZ); Vallegrande, camino a Masicuri, G.A. Parada et al. 3149 (MO, USZ). Tarija: Gran Chaco, Villamontes, Pflanz 4145 (US).
PERU. Tumbes: Puerto Pizarro-Estero El Bendito, R. Ferreyra 16227 (MO, USM); A. Gentry & C. Díaz 58219 (USM). Piura: Chulucanas Panecillo, E. Laure 5343 (P).
ECUADOR. Guayas: E. Asplund 16012 (K, S). R. Spruce 6498 (K, P).
VENEZUELA. Guárico: L. Aristeguieta et al. 6449 (K, VEN).
NICARAGUA. Matagalpa, P.P. Moreno 25076 (BM).
UNITED STATES. Mississippi: Pearl River, F.H. Sargent 10494 (MISS).
JAMAICA. Marsh 1133 (K) - leaves only.
Typification.
In designating a lectotype for Calonyction pavonii we have selected the Spruce collection from De Candolle’s herbarium in preference to the specimen from Boissier’s herbarium, even though this last specimen is the only one actually annotated Calonyction pavonii by Hallier. This is because the Boissier collection appears to contain an extraneous element (spiny sepals) pasted to the attachment at the bottom left of the sheet, which is not in accord with the protologue ("sepala glaberrima"). The De Candolle specimen is thus the only extant syntype fully in accord with the protologue, the Marsh collection from Jamaica having been destroyed in Berlin in 1943.
Note.
The plants from northern Peru conform to subsp. pavonii in their small corolla and glabrous sepals but are remarkable for having unlobed, suborbicular, coarsely dentate leaves.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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