Monographs Details: Aldina insignis (Benth.) Endl. var. insignis
Authority: Maguire, Bassett, et al. 1953. The Botany of the Guayana Highland. Mem. New York Bot. Gard. 8 (2): 87-160.
Description:Species Description - Tree 7-10 m. tall, the branchlets, petioles, rachis, and petiolules glabrous; leaves 7-9-fbliolate, rarely 5-foliolate at the base of the inflorescence, the petioles 15 cm. long, the rachis 10-25 cm. long, the petiolules 8-15 mm. long, transversely corrugate, the leaflets plane, oblong or oblong-oval, 11-22 cm. long, 5.5-10.5 cm. wide, rotund at the base, at the apex abruptly acute, rarely rotund and retuse, above glabrous, below pallid, with numerous strongly-appressed minute hairs, the primary veins plane above, prominulous to prominent below; inflorescence puberulent with appressed, ferruginous, minute hairlets, mostly racemose, sometimes with a few branches, 15-30 cm. long, the bracts and bracteoles minute, the pedicels 3-5 mm. long, the mature buds about 2-5 cm. long; calyx 2-2-3 cm. long, densely ferruginous-tomentellous outside and gray villose inside, split into 4-5, usually erect lobes; petals 4-5, white, 4-4.5 cm. long, 2.5-3.5 cm. wide, obovate-orbicular, base cuneate, glabrous; stamens very numerous, glabrous, the filaments 25-35 mm. long, the anthers 6-10 mm. long; stigma simple, style subulate, incurved, glabrous, about 1 cm. long; ovary 3-4-ovulate, oblong, 7-8 mm. long, 5 ram, wide, appressed-grayish puberulent, (sometimes 2 pistils per flower produced), the stipe grayish pubescent, 1.5-1.8 cm. long; fruit unknown.
Allania insignis Benth. Jour. Bot. Hook. 2: 91, as to type. 1840.
The enormous flower buds and flower parts of this species prevent its being confused with any other species.