Africa
A rare and distinct species.
A. cryptodon (hidden-toothed). fl. white, in loose racemes; petals ligulate, acute; lip lanceolate; spur white, reddish at base, thrice as long as the reddish-white ovaries. Madagascar, 1883.
A. descendens (descending). fl. white, numerous in a drooping raceme. Madagascar. This differs from A. Ellisii in having a cuneate-ovate, acuminate lip, a shorter, hairy column, a spur more than four times as long as the pedicels, and oblong-ligulate, obscurely bilobed leaves. A. Eichlerianum (Eichler's). fl. large, solitary; sepals and petals light green, lanceolate; lip white, large, obcordate, with a triangular apiculus in the notch; spur erect, conical, about as long as the sepals. l. distant, oblique, elliptic, obtuse. Stems tall, leafy. Loango, West Africa, 1883. A. fastuosum (proud). fl. ivory-white, scented like tuberoses, numerous, racemose; sepals and petals ligulate-oblong; lip obovate; spur filiform, 2in to 3in. long. l. cuneate-oblong, 3in. broad, blunt and unequally lobed at apex, wrinkled, the margins cartilaginous. Madagascar. A. florulentum (dark-flowered). fl. one to three in a raceme; sepals lanceolate; petals broader than the sepals; lip oblong-lanceolate, apiculate; spur filiform, one-third longer than the ovary; racemes numerous. l. lanceolate, bilobed, 3in. long. Stem zigzag. Comoro Islands, 1885. A. fuscatum (fuscous). fl. numerous, in a thin, lax raceme; sepals ochreous, the lateral ones reflexed; petals broader than the sepals; lip white, oblong, acuminate; spur brown, long, filiform, flexuous. l. cuneate-oblong, unequally bilobed. Madagascar, 1883. The habit of this plant is much in the way of A. bilobum. (R.G.1234; R.H. 1887, p.42.) A. grandidierianum (Grandidier's). fl. ivory-white, about the same size as those of A. Chailluanum: sepals cuneate-oblong, acute; petals spathulate, apiculate; lip cordate-pandurate or cordate-oblong, blunt, with a long, filiform spur; raceme one to three-flowered. l. thick, oblong, obtuse and unequally two-lobed at apex. Comoro Islands, 1887. (R.H. 1887, p.42) SYN. Aeranthus Grandidierianus.
A.Hildebrandtii (Hildebrandt's). fl. orange-yellow; lip oblong, acute; spur filiform, clavate, shorter than the ovary. l. ligulate, unequally bilobed. Comoro Isles. An elegant but small-growing plant.
A. ichneumoneum (ichneumon-like). fl. loosely arranged on a long axis; sepals and petals dirty ochre-white, ligulate, with a curious spur. l. ligulate, dark green, 1ft. long, 2in. broad, unequal at apex. 1887. SYN. Listrostachys ichneumonea.
A. imbricatum (imbricated). fl. sweet-scented, in cluster-like racemes; sepals and petals creamy-white, lanceolate; lip orange and yellow, flabellate, retuse, apiculate, convolute, the spur recurved, blunt, not half as long as the blade of the lip, which it nearly touches. l. leathery, cuneate-oblong, bluntly bilobed. Stem tall, strong. 1887.
A. Leonis (Leon Humblot's). A synonym of Aeranthus Leonis. A. rostellare (beaked). fl. resembling those of A. fuscatum in shape, but having a distinct, long-linear, ascending, rostellar process, and spathulate, apiculate petals; peduncles numerous, many-flowered. l. cuneate-oblong, bilobed at apex, unusually soft. 1885.
A. Sanderianum (Sander's). A synonym of A. modestum.