Herbs, subshrubs, shrubs to small trees. Leaves sessile to petiolate, 1.5-29 cm long; ca. 5-veined. Inflorescences terminal, dichasial with monochasial branches, sometimes flowers solitary; bracts and bracteoles absent/scale-like/leaf-like. Flowers pedicillate, 5-merous, actinomorphic or slightly zygomorphic; calyx fused at base for ca. 1/10 (seldom more) of length, coriaceous, campanulate to tubular; lobes lanceolate, elliptic to ovate, dorsally thickened, often glandular, rarely with keels; apex obtuse to acute; corolla fused at base, salver-shaped to funnel-shaped, 28-110 mm long; corolla bud apex tapering, androecium zygomorphic with stamens and style bent towards bottom of corolla mouth; stamens inserted in corolla tube in lower quarter, of unequal length, base of filaments fused with corolla into a ring-shaped corona, or with flaps of tissue between filament bases, anthers linear, connective apex apiculate; pollen in tetrads; pistil with nectary disk around base, stigma bilamellate. Fruit a capsule, sometimes indehiscent(?), with persistent calyx and deciduous corolla; seeds angular, testa pattern dome-like, sometimes with band-like thickenings.
Guyana, Republic of: present Southern America:, Bolivia (Bolivia ‒ present); Brazil North (Amazonas ‒ present); Colombia (Colombia ‒ present); Costa Rica (Costa Rica ‒ present); Ecuador (Ecuador ‒ present); Panamá (Panamá ‒ present); Peru (Peru ‒ present); Venezuela (Venezuela ‒ present)
A neotropical genus of ca. 38 species from Costa Rica, Panama, Colombia, Ecuador, Peru, Bolivia, Venezuela, Guyana and Brazil (Amazonas); 1 species in Guyana.
Symbolanthus in Gen. Hist. 4: 175. 1837 sec. by Lena Struwe & Jeanette Allogio. - Symbolanthus in JEANETTE ALLOGIO, LAURA COBB, JASON R. GRANT, MARION J. JANSEN-JACOBS, MATT KINKADE, KATHERINE B. LEPIS, HILTJE MAAS-VAN DE KAMER, PAUL J.M. MAAS, MATTHEW I. PALMER & S. MOTA DE OLIVEIRA, FLORA OF THE GUIANAS, Series A: Phanerogams Fascicle 30 139. GENTIANACEAE. 2012
- ≡Lisianthus (Symbolanthus) in Benth. & Hook.f., Gen. Pl. 2: 814. 1876
- =Wurdackanthus in Phytologia 57: 312. 1985
- Type: Sipapoantha argyreus