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Published In: World Checklist and Bibliography of the Araliaceae 285. 2003. (World Checkl. Bibliogr. Araliaceae) Name publication detail

Project Name Data (Last Modified On 6/26/2012)
Acceptance : Accepted
Taxon Profile     (Last Modified On 7/1/2012)
Description: Dioecious trees (2–) 8–12 m tall, with a sparsely-branched crown. Leaves once-pinnate, 43–120 cm long; leaflets 17–27, lamina dark green, shiny to dull above, paler below, membranous to slightly coriaceous, ovate to broadly ovate to elliptical, 9–20 cm, the apex acute to acuminate to attenuate, the margin with several large, shallow teeth, especially in the lower half, thickened but not revolute, the base asymmetric and rounded to oblique; petiolules 10–13 mm long; rachis articulated at insertion of leaflets, glabrescent to densely puberulent (especially at insertion of the petiolules); petiole 8.5–92 cm long, 6–8 mm diam., puberulent (often densely so), without an alate base. Inflorescence a panicle of umbellules, terminal, erect, pyramidal, the axes densely puberulent throughout; the bractlets caducous, triangular, 2–3 mm long; the primary axis 13.5–53 cm long; the secondary axes 11–26, scattered, 7.5–48 cm long (the upper ones reduced); the tertiary axes scattered (and often in clusters of 2–5) along the length of the secondary axes, 20–40 per secondary axis and 4–15 mm long in pistillate plants, 40–65 per secondary axis and 5–55 mm long in staminate plants, each with a terminal umbellule of 5–13 pistillate flowers or (5–) 10–26 staminate flowers (and 0–3 usually abortive lateral flowers), flowers subtended by caducous, linear to narrowly triangular bractlets <0.5–1 mm long; pedicels 0.5–1.5 mm in pistillate flowers, subsessile to 0.7 mm in staminate flowers, 0.5–1 mm diam., articulated below the ovary. Calyx collar-like, ca. 0.5 mm tall, rim with ca. 5 minute apiculate or triangular teeth. Corolla in bud oblong to hemispheric in staminate flowers (not seen in pistillate flowers); the petals 5, in pistillate flowers reflexed to revolute at anthesis, light yellow green, triangular to narrowly triangular, 2–2.2 × 1–1.5 mm, in staminate flowers spreading to strongly recurved at anthesis, light yellow green , narrowly triangular, 1–2.2 × 1–1.5 mm. Stamens spreading at anthesis, filaments ca. 1.0 mm long, anthers ca. 1–2.2 mm long. Ovary 2-carpellate, elliptic to obovate to ovate, 4–5 mm tall at anthesis in pistillate flowers; ovary of staminate flowers vestigial, obconic (sometimes flattened); styles 2, free nearly to the base (or fused no more than 1/5 its length), 1–2 mm long with the arms spreading when receptive and reflexed in fruit (styles vestigial in staminate flowers, <1 mm long). Mature fruit subterete to slightly compressed laterally, pale to medium green, probably turning purple, orbicular to slightly broad-obovate or broad-ovate, 3.5–5 × 3–4 mm, puberulent (especially in the lower half), the base rounded, the ribs evident when dry.




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