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Published In: Brittonia 65: 52. 2013. (1 March 2013) (Brittonia) Name publication detail
 

Project Name Data (Last Modified On 10/19/2010)
Acceptance : Accepted
Taxon Profile     (Last Modified On 7/1/2012)
Description: Andromonoecious trees ca. 7–20 m tall, branched. Leaves palmately compound, 8.5–38 cm long (incl. petiole); leaflets 5–8, medium yellow-green above, dull to shiny, chartaceous, elliptic to obovate, 2.6–13.7 × 1–4.7 cm (leaflets 4–13 in juvenile foliage, linear to narrowly elliptic, 2–25 × 0.15–1.6 cm), glabrous, smooth above, primary and secondary veins slightly raised above, secondary veins not raised beneath, ca. 10–19 per side, tertiary veins obscure, the base slightly attenuate, the margin entire, often irregularly undulate, weakly revolute, the apex round, sometimes retuse or very slightly mucronate (rounded to acute in juvenile foliage); petiolule to 17 mm long (or leaflets sessile); petiole 1.6–20 cm long, 0.4–3 mm diam., the base slightly to moderately clasping, neither inflated nor lenticillate, the ligulate stipule forming a low collar. Inflorescence terminal, paniculate-umbellate, rounded-conical to ovoid, with 2 or 3 orders of branching, glabrous, cataphylls caducous, leaving a scar, the primary axis erect, 0.9–10 cm long, the secondary axes ca. 5–15, 1–9 borne laterally along the primary axis, the others forming a terminal, umbellate cluster, each ca. 0.5–7.2 cm long, bearing a terminal umbellule of ca. 3–24 protandrous, hermaphroditic flowers and 2–4(–8) lateral umbellules of ca. 4–12 staminate flowers, pedicels of the hermaphroditic flowers 5–8 mm long, 0.3–0.3 mm diam., those of the staminate flowers 1.5–2.6 mm long, 0.3 mm diam., expanding to 610 mm long in fruit, bracts caducous, leaving a scar. Calyx rim forming a low collar, undulate, 0.3–0.4 mm high, 2–2.2 mm in diam. Corolla hemispherical to nearly globose in bud, the petals 5, reflexed at anthesis, cream white, broadly triangular, 2.2–2.5 mm long, 1.2–1.4 mm wide in hermaphroditic flowers, 0.9 mm long, 0.5 mm wide in staminate flowers. Stamens 5, the filaments 0.6–1.3 mm long in hermaphroditic flowers, 0.2–0.3 mm long in staminate flowers, the anthers 1.4–1.5 mm long in hermaphroditic flowers, 0.5–0.6 mm long in staminate flowers, with 4 thecae. Ovary 5-carpellate, ellipsoid to globose at anthesis (vestigial in staminate flowers), 2.2.6 mm high, disc low conical, discoid, 1.6–1.9 mm diam. in hermaphroditic flowers, 1.2–1.5 mm diam. in staminate flowers, styles 5, 0.8–1.2 mm long in hermaphroditic flowers, expanding to 1.5–2 mm in fruit (vestigial and undivided in staminate flowers), united for ca. 1/2 of their length, basal portion conical, free arms 0.5–0.7 mm, divergent at anthesis, recurved in fruit. Mature fruit terete, ellipsoid to ovoid, 3.2–4 mm high, 1.5–3.6 mm wide, strongly ribbed when dry, the base rounded.

 

 


 

 
 
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