Monographs Details: Rhodostemonodaphne longiflora Madriñán
Authority: Madriñán, Santiago R. 2004. (Lauraceae). Fl. Neotrop. Monogr. 92: 1-102. (Published by NYBG Press)
Family:Lauraceae
Description:Latin Diagnosis - Ex affinitate R. laxae sed inflorescentiis longioribus et staminibus laminaribus stipitatis bene distincta.

Species Description - Trees: branching unknown; twigs angular, soon becoming terete, 4-5 mm diam.; epidermis black; terminal bud plump, ca. 1 X 1 mm; cataphylls caducous; indument puberulous, caducous by next flush, the hairs sparse, to 0.2 mm long, straight to curved, erect, yellowish to reddish. Leaves: petioles robust, 1-1.5 cm X 2-2.5 mm, adaxially flattened; blades coriaceous, flat, elliptic, (6-)8-13 X 3-6 cm; base acute to obtuse, 60-110°; apex obtuse, ca. 100°; margin plane; primary vein above flat, below raised; secondary veins 4-6 pairs, equidistant, weakly brochidod-romous, above flat, below raised, diverging at 50-55°, evenly arching (forked), chordal angle ca. 20°, the angle uniform along blade length; tertiary veins above flat, below slightly raised, weakly scalariform to random-reticulate; higher-order veins above flat, below slightly raised; surface above greenish brown, the veins darker, below yellowish green, the veins reddish; indument above puberulous, the primary vein tomentose, caducous by next flush, below puberulous, the hairs isolated, to 0.3 mm long, straight to curved, erect, golden yellow to reddish, caducous by next flush. Staminate inflorescences: basitonic to mesotonic, pendulous?, peduncles (3)11-15 cm long, the hypopodia (0.5-)3-4 cm X ca. 2 mm, branch orders 5, the second-order branches 5-14, dispersed, lowest branch to ca. 2 cm long, all axes black, indument of all axes as on twigs; bracts and bracteoles caducous (not seen). Staminate flowers: pedicels 10 X 0.6 mm, the diameter even throughout; receptacle obconical, ca. 1.5 X 4.8 mm; tepals membranaceous, ovate, ca. 1.8 x 1.4 mm, at anthesis erect to spreading, reddish to black, adaxially glabrous; stamens of whorls I and II spathulate, chubby, the anthers ovate, ca. 0.8 X 1 mm (whorl II slightly smaller), glabrous, the locelli 4, apical, in a shallow arch, introrse, the glands absent; whorl III columnar, ca. 0.9 X 0.5 mm, glabrous, the anthers with a medial adaxial process, oblong, the locelli 4, the upper pair latrorse, the lower pair extrorse, the glands globular, ca. 0.6 mm diam.; whorl IV absent; all stamens reddish; pistillode absent. Pistillate flowers and fruits unknown.

Discussion:Field notes. Trees to ca. 13 m tall. Tepals greenish?

Etymology. Named for its inflorescences, unusually longer than the leaves [Lat. longus, long + flos, flower].

Rhodostemonodaphne longiflora is characterized by the long inflorescences, relative to the length of the leaves. They become glabrous by next flush and are black drying, contrasting with the greenish- to yellowish-drying leaves; they also appear to be pendulous. The leaves are very similar to those of R. laxa from the mountains of Colombia, to which it may be closely related. It nevertheless differs in flower morphology, the anthers of R. laxa being sessile, while those of R. longiflora are borne on a conspicuous filamentous portion.

Mez determined this specimen as Nectandra anomala, a species from the Atlantic forest of Brazil. Rhodostemonodaphne anomala has a denser, yellowish indument and larger (ca. 16 X 8 cm) leaves.
Distribution:Bolivia South America|