Ipomoea arborescens
Ipomoea arborescens, the tree morning glory, is a rapidly-growing, semi-succulent flowering tree in the family Convolvulaceae. This tropical plant is mostly found in Mexico, and flowers in late autumn and winter. Its common name in Nahuatl is Cazahuatl or Cazahuate.
Distribution
Ipomoea arborescens is found from Sonora and Chihuahua south to Veracruz and Oaxaca, Mexico. It grows at elevations of 50 to 2200m, and usually flowers and fruits between November and April. It inhabits open thorn forests, oak savannas and dry deciduous forests. This plant can be grown as a crop in El Salvador, Guatemala, Senegal and Zimbabwe.Habitat and ecology
Ipomoea arborescens is a deciduous caudiciform tree. It requires full sun and grows best in tropical conditions. It grows in USDA zones 9b to 11. They grow in soil slightly acidic to slightly alkaline with a pH range of 6.1 to 7.8. It grows leaves in summer during the rainy season. The foliage is shed after the rains stop in September.Description
Rapidly growing tree, up to two or three meters per year, up from 3 to 15m tall with a trunk diameter of 50 cm. Its bark’s color ranges from grey to brown and it has a rough texture. The stems are usually tomentose when young, after the third year glabrescent, the trichomes are usually twisted and 0.1 to 0.25 mm long. By the third year at the latest, the plants the stems become glabrose. Stems produce a white latex, as well as wood of the whole tree.Leaf blades are entire, from 9 to 19 cm long and 6 to 9 cm wide, with 12 to 19 pairs of lateral veins. Leaves are ovate to lanceolate, cordate at the base and acuminate at the apex, pubescent especially beneath and on the veins of the lower surface; by maturing, hairs remain only on the veins and along the margin. The petioles are 1 to 9 cm long and usually also finely felted.
The chromosome count is 2n = 30.