Ipomoea chenopodiifolia subsp. bellator

Wood, John R. I., Munoz-Rodriguez, Pablo, Williams, Bethany R. M. & Scotland, Robert W., 2020, A foundation monograph of Ipomoea (Convolvulaceae) in the New World, PhytoKeys 143, pp. 1-823 : 1

266c. Ipomoea chenopodiifolia subsp. bellator J.R.I. Wood & Scotland, subsp. nov

urn:lsid:ipni.org:names

Type.

MEXICO. Guerrero, Mun. Chichihualco 2550 m, 16 Aug. 1985, J.C. Soto Nuñez & S. Román 9974 (holotype MEXU 1354154).

Diagnosis. Differs from Ipomoea chenopodiifolia subsp. chenopodiifolia by the clearly funnel-shaped corolla tube with the stamens and style included below the mouth of the corolla.

Illustration.

Figure 137C .

Distribution.

Endemic to hillforest between 2450 and 2700 m in Guerrero and neighbouring parts of Oaxaca in western Mexico, growing at higher altitudes than the other subspecies.

MEXICO. Guerrero: Mun. Tlacotepec, Puerto Jilhuero, J.C. Soto Nuñez 11826 (MEXU); Mun. Chilpancingo, 6 km NW de Omiltemi, P. Tenorio et al. 2613 (MEXU); ibid., 11.3 km al S de Carrizal, R. Torres Colín 7710 (MEXU); Mun. Metlatonoc, A. de Avila 143 (MEXU). Oaxaca: Mun. Putla Villa de Guerrero, San Andrés Chicahuaxtla, Cerro Zarzamora, T.MacDougall s.n. (MEXU37282); San Martín Peras, Juxtlahuaca, J.I. Calzada 22200 (MEXU)

Note.

Records of Ipomoea chenopodiifolia from Venezuela are errors for I. retropilosa .

Figures

Figure 137. Ipomoea chenopodiifolia subsp. chenopodiifolia A habit showing corolla shape and exsertion of stamens and style. Subsp. signata B habit showing corolla shape and exsertion of stamens and style. Subsp. bellator C habit showing included stamens and style D outer sepal E inner sepal. Drawn by Rosemary Wise A from Olazo 1132; B from from Martinez & Garcia 22197; C from Nunez 11826; D, E from de Avila 143.