Myodocarpaceae Doweld, Tent. Syst. Pl. Vasc. lii (2001).
  • P. P. LowryIIEmail author
  • G. M. Plunkett
Part of the The Families and Genera of Vascular Plants book series (FAMILIES GENERA, volume 15)


Shrubs to small trees, glabrous and unarmed; schizogenous secretory canals throughout the plant; plants terrestrial, evergreen; stems monocaulous or sparsely to well branched, pachycaulous; mating system andromonoecious (rarely hermaphroditic). Leaves alternate, frequently heteroblastic; petioles sheathing at the base, exstipulate, sometimes alate; blade simple or pinnately compound, with entire or toothed margins; venation pinnate. Inflorescences terminal, paniculate, the ultimate units umbellate; inflorescence axes subtended by small to foliose bracts; flowers subtended by an involucel of bracteoles; pedicels articulate. Flowers either perfect or staminate, epigynous, actinomorphic; perianth 5-merous; calyx forming a short low tube with evident lobes, valvate or imbricate; petals imbricate (rarely valvate), sometimes calyptrate, the bases clawed or broadly inserted; stamens 5, in a single whorl, alternipetalous, anthers dorsifixed, introrse, tetrasporangiate, each pollen sac dehiscing by a longitudinal slit; filaments filiform to stout, inflexed in bud; ovary syncarpous, of 2 carpels (vestigial in staminate flowers), each carpel unilocular with apical placentation; stigmas on a distinct style; styles free, geniculate or not, sometimes swollen at the base and confluent with the nectariferous disc (reduced in staminate flowers); ovules anatropous, pendulous, one per locule, unitegmic. Fruits simple, either drupaceous with a fleshy mesocarp and a separate, variously sclerified endocarp (pyrene) around each locule, or dry schizocarpic with two mericarps borne on a carpophore; numerous secretory vesicles present in the exocarp and canals in the mesocarp and sometimes the endocarp. Seeds straight; endosperm copious, oily, uniform; embryo minute but well differentiated.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Missouri Botanical GardenSt. LouisUSA
  2. 2.Institut de Systématique, Évolution et Biodiversité (ISYEB)Muséum national d’Histoire naturelle, Sorbonne UniversitésParisFrance
  3. 3.Cullman Program for Molecular Systematics, New York Botanical GardenBronxUSA

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