Thunbergia grandiflora Roxb.
-
Authority
Leonard, Emery C. 1951. The Acanthaceae of Colombia, I. Contr. U. S. Natl. Herb. 31: 1-117.
-
Family
Acanthaceae
-
Scientific Name
-
Description
Description - A large herbaceous or suffrutescent finely pubescent vine twining up high trees; tips of stems subquadrangular and narrowly winged on the angles; leaf blades ovate, up to 20 cm. long and wide, acuminate at apex, cordate or hastate at base (basal sinus usually broad and rounded), often coarsely toothed or lobed below the middle; petioles up to 10 cm. long; flowers axillary or borne on slender bracted, terminal and often recurved racemes; spathe 2-valved, the valves obliquely oblong, up to 3.5 cm. long and 2 cm. wide, acuminate, striate-nerved and bearing small scattered black dots; corolla white or light blue, campanulate, up to 6 cm. long, the limb about 5 cm. broad; stamens included, the exterior cell of each posterior anther armed with a rigid sharp white curved spur about 3 mm, long; capsule globular, 16 mm. in diameter, tipped by a stout beak about 2 cm. long.