Ipomoea ampullacea Fernald
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publication ID |
https://dx.doi.org/10.3897/phytokeys.143.32821 |
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persistent identifier |
https://treatment.plazi.org/id/B262B218-576F-9233-CE3D-2B3493C7D664 |
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treatment provided by |
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scientific name |
Ipomoea ampullacea Fernald |
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248. Ipomoea ampullacea Fernald View in CoL View at ENA , Proc. Amer. Acad. Arts 33 (5): 89. 1897. (Fernald 1897: 89)
Type.
MEXICO. Guerrero, Acapulco, E. Palmer 483 (holotype GH00054482, isotypes: K, US).
Description.
Liana with white latex, stem thinly pilose. Leaves petiolate, 9-14 × 8-14 cm, broadly ovate, shortly acuminate, cordate (often shallowly 3 -lobed), thinly hispid-pilose on both surfaces, abaxially paler; petioles 6-12 cm, thinly pilose. Inflorescence of long-pedunculate, axillary cymes; peduncles 11-20 cm, stout, straight; bracteoles narrowly ovate, acuminate, pubescent, caducous; secondary peduncles 1-2.5 cm; pedicels 6-22 mm, puberulent; sepals dissimilar, pubescent, 26-40 × 8-10 mm, outer ovate with an elongated obtuse apex, inner sepals narrower, slightly longer, with an elongate spathulate apex; corolla 6-8 cm long, subhypocrateriform with broad basal tube and spreading limb, white, opening at night, thinly pilose on midpetaline bands in bud, anthers exserted, filaments red, pubescent; stamens shortly exserted; stigma 3-lobed. Capsules broadly ovate, c. 2 cm long, glabrous; seeds not seen.
Illustration.
Figure 4F View Figure 4 .
Distribution.
Endemic to Mexico growing in humid hill forest 650-2000 m.
MEXICO. Colima: lower slopes of Vulcan de Colima, A.C. Sanders et al. 10730 (MO).
Guerrero: Montes de Oca, Vallecitos, G.B. Hinton 11730 (ARIZ, GH, K, MO); Mun. Azueta, J.C. Soto Nuñez 11632 (MEXU). Jalisco: Mun. Puerto Vallarta, E. Carranza et al. 6130 (ARIZ); Mun. La Huerta, Chamela, S.H. Bullock 2060 (K, MO); Arroyo Colorado, Chamela, E. Lott & T. Wendt 2192 (K); Chamela, A. Megallanes 4151 (F). Michoacán: Mun. Lázaro Cárdenas, E. Carranza & I. Silva 6707 (IEB), 7277 (IEB). Sonora: fide Felger et al. (2012). Sinaloa: Africa, Sierra Tacuichamona, H.S. Gentry 5658 (ARIZ, MO); San Ignacio, J.G. Ortega 5022 (K).
Note.
Unique in the Pharbitis Clade for having white, night-flowering, presumably moth-pollinated flowers.
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.