Ipomoea pearceana
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| Ipomoea pearceana | ||||||||||||
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Ipomoea pearceana is a plant type from the genus of Morningglory ( Ipomoea ) from the family of wind plants (Convolvulaceae). The species is common in Peru .
description
Ipomoea pearceana is an upright shrub with a height of up to 2.5 m. The branches lignify, the twigs are hairy with fine velvety trichomes . The young leaves are hairy and woolly towards the tip . The leaf stalks are 0.5 to 6.5 cm in length. The leaf blades are ovate, entire, cut off at the base or heart-shaped with more or less rounded ears. To the front they are pointed or blunt and prickly. Their length reaches 4 to 9 cm, the width 4.5 to 8.5 cm. The upper side is hairless or with fine downy hair close to the edges, this is particularly noticeable on the leaf veins.
The inflorescences are woolly hairy, branched cymes with three to nine flowers . The side axes of the inflorescence axis, which is up to 4.5 cm long, are three- or four-whorled, alternate or rarely opposite. The bracts are linear-lanceolate, foliage-like and about 2-3 cm long, the bracts are similarly designed and 1.3 to 2.4 cm long. The flower stalks are about 1 to 3 cm long. The sepals are almost the same shape, elliptical to inversely ovate or elongated. To the front they are blunt, pointed or prickly, the outer sepals are 17 to 25 mm long and 6 to 9 mm wide. The crown is funnel-shaped, 5 to 6 cm long and pink in color, with silky hair in the middle. The stamens come in two lengths, they are 32 to 38 mm and 25 to 28 mm long. The base of the stamens is hairy glandular. The anthers are 7 mm long. The ovary is ovoid, hairless and forms into two chambers four ovules . The stylus has a length of about 2.5 cm and has spherical scars .
distribution
The species is common in the Peruvian regions of Apurímac and Cusco .
literature
- J. Francis Macbride: Convolvulaceae In: Flora of Peru , Fieldiana: Botany, Vol. XIII, Part V, No. 1, Dec. 1959.