Compilation
Pterodiscus speciosus

stem-base globose, up to 2 1/2 in. in diam., stem densely glandular like the whole plant when young, 3–6 in. high; leaves rather numerous, crowded in the upper part of the stem, linear to linear-oblong, irregularly crenate-dentate to shortly pinnate-laciniate, rarely subentire, 1 1/2–3 in. long, 2–6 lin. (in cultivated specimens to 9 lin.) wide, gradually narrowed into a short petiole; pedicels 2–2 1/2 lin. long, slender; calyx up to 2 lin. long; segments lanceolate, acuminate; corolla bright red-purple; tube symmetrical or almost so, gradually widened from above the base to the middle, then slightly constricted and widened again towards the mouth, 1 1/2–2 in. long; throat villous; limb 1 1/4–1 1/2 in. across; filaments bearded at the very base, otherwise glabrous, longer ones 5–6 lin. long; ovule 1 in each cell; fruit suborbicular, cordate at the base, not or obscurely emarginate at the apex, 1/2– 3/4 in. long, including the wings which are 1 1/2–2 1/2 lin. broad. null