SciELO Mexico - www.scielo.org.mx

SciELO Mexico - www.scielo.org.mx

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Frutices dioici (0.3–)0.5–1.5 m alti; gemmae vegetativae gemmis serialibus presentibus. Folia (5–)10–29 cm longa,imparipinnata, petiolis et rhachidibus canaliculatis, foliolis (5–)7–17(–29), ovatis vel oblongo–ellipticis. Flores10–15 mm, sessiles vel subsessiles; calyx inconspicue 5–dentatus; petalum 1, unguiculatum, laminare, reflexum, non cochleatum. Fructus (2.2–)3–4.5 X 0.9–2 cm, oblongi vel obovati, samaroidei, compressi, ala adaxiali absenti vel vix evoluta, sine parte abaxiali connata; stigma in fructu liberum; semina oblongata 7.5–10.5 mm. Plantulae germinatione epigaea vix supra solum, cotyledonibus per solum non tectis, sed supra solum non elevantibus germinatione hypogaea, eophyllis primis (3–)5–foliolatis.

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