Ipomoea imperati (Vahl) Griseb.

  • Authority

    Acevedo-Rodríguez, Pedro. 2005. Vines and climbing plants of Puerto Rico and the Virgin Islands. Contr. U. S. Natl. Herb. 51: 1-483.

  • Family

    Convolvulaceae

  • Scientific Name

    Ipomoea imperati (Vahl) Griseb.

  • Description

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    Description - Erect herb or creeping or sometimes ascending vine, slightly woody, attaining 2 m in length, with milky latex. Stems cylindrical, slender, glabrous, producing adventitious roots in the area of the nodes. Leaves alternate, usually clustered on short axillary branches; blades simple, 2- 1 x 1-2.5 cm, lanceolate, oblong, or deltoid, sometimes subsagittate, lyrate, or deeply trilobed, fleshy when fresh, chartaceous on drying, glabrous, the apex obtuse, rounded, or sometimes emarginate, mucronate, the base cuneiform, truncate, subcordiform to subsagittate; upper surface dull, glabrous, with the veins flat; lower surface glabrous, with the primary and secondary veins prominent; petioles 1-6.5 cm long, sulcate, pilose at the apex. Flowers solitary or in ascending dichasial cymes; peduncles 1 .5-4.5 cm long. Calyx green, not accrescent, the sepals 10-15 mm long, elliptical, aristate at the apex, the margin hyaline, the two outer ones slightly longer than the inner ones, glabrous; corolla white, with a yellow center, infundibuliform. 2.5-5 cm long, the limb 3-6 cm in diameter, with 5 shallow, obtuse lobes; stamens and stigmas not exserted. Capsules globose or conical, 1.2-1.5 cm long; seeds 1-4 per fruit, ca. 5 mm long, lanate-pubescent.

    Phenology - Collected in flower from October to March.

    Conservation Status - Native, uncommon.