Ipomoea eriocarpa R. Br.

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

398. Ipomoea eriocarpa R. Br. , Prodr. 484. 1810. (Brown, R 1810: 484)

Convolvulus eriocarpus (R. Br.) Spreng. , Syst. Veg. 1: 598. 1825 [pub. 1824]. (Sprengel 1824: 598).

Convolvulus hispidus Vahl , Symb. Bot. 3: 29. 1794, (Vahl 1794: 29). Type. "India Oriental". Dahl (wherabouts unknown).

Ipomoea hispida (Vahl) Roem. & Schult. , Syst. Veg. 4: 238. 1819. (Roemer and Schultes 1819: 238), nom. illeg., non I. hispida Zaccagni (1806) .

Ipomoea sessiliflora Roth , Nov. Pl. Sp. 1821: 116. (Roth and Heyne 1821: 116.). Type. INDIA. Heyne s.n. (whereabouts unknown).

Convolvulus sessiliflorus (R.Br.) Spreng. , Syst. Veg. 1: 599. 1825 [pub. 1824]. (Sprengel 1824: 598).

Ipomoea ligulata Bojer , Hortus Maurit. 229. 1837. (Bojer 1837: 229). Type. Not designated.

Ipomoea trematosperma Hochst ex Choisy in A.P. de Candolle , Prodr. 9: 367. 1845. (Choisy 1845: 367 sub I. sessiliflora Roth ). Type. SUDAN. Kordofan, K. Kotschy 289 (BM, G, HBG).

Ipomoea horsfieldiana Miq. , Fl. Ned. Ind. 2: 611. 1857 (Miquel 1856-58: 611). Type. INDONESIA. Java, Socrakarta, T. Horsfield s.n. (?holotype U0001410, isotype K).

Ipomoea hispida var. latifolia Kuntze , Rev. Gen. 2: 445. 1891. (Kuntze 1891: 445). Type. INDONESIA. Java, Probolingo, O. Kuntze 5994 (isotype NY00319255).

Ipomoea hispida var. angustifolia Kuntze , Rev. Gen. 2: 445. 1891. (Kuntze 1891: 445). Type. INDONESIA. Java, Willis Mountain, O. Kuntze 5844 (isotype NY00319254).

Ipomoea sindica Stapf, Bull. Misc. Inform. Kew 1894: 346 . 1894. (Stapf 1894: 346). Type. INDIA. Sirhind, T. Thomson (K001081737, lectotype, designated here).

Type.

AUSTRALIA. Banks & Solander s.n. (holotype BM001040629).

Description.

Annual herb, stems twining or prostrate, pubescent or hispid, up to 2 m long. Leaves petiolate, 2.5-8 × 0.8-5 cm, ovate to narrowly oblong, base usually subhastate with rounded auricles, apex acute, both surfaces pilose to glabrescent; petioles 1-6 cm. Inflorescence of axillary subsessile or shortly pedunculate compact cymes; peduncles 0-15 mm; bracteoles linear; pedicels 2-5 mm; sepals subequal, 8-9 × 3-4 mm, ovate, acuminate, hispid-pilose, spreading in fruit; corolla 6-9 mm long, narrowly funnel-shaped, white, pink or mauve, hirsute, limb c. 1.5 cm diam. Capsules globose, 5-7 mm diam., pubescent, often enclosed by the calyx; seeds 2.5 mm, black, glabrous, punctate.

Illustration.

Bosser and Heine (2000: 40); Deroin (2001: 191).

Distribution.

A common Old World weedy species recorded as an adventive in the Caribbean region.

PUERTO RICO. Río Piedras, J.A. Stevenson 2278 (K, NY).

LESSER ANTILLES. St Vincent: "Rev. L. G." (K).

Note.

A rather distinct Old World annual species because of its small hirsute flowers, ovate acuminate sepals that are spreading in fruit, and hirsute capsule. It is the only representative of an Old World Clade found in the Neotropics.