Apocynaceae Juss.
  • Gen. Pl. 143–144. 1789. (4 Aug 1789)


This taxon is accepted by World Flora Online consortium
Notes: More details could be found in The Plant List v.1.1. Originally in The Plant List v.1.0

General Description

Trees, shrubs, or vines, rarely subshrubs or herbs, with latex or rarely watery juice. Leaves simple, opposite, rarely whorled or alternate, pinnately veined; stipules absent or rarely present. Inflorescences cymose, terminal or axillary, with bracteoles. Flowers bisexual, 5- [or 4]-merous, actinomorphic. Calyx 5- or rarely 4-partite, quincuncial, basal glands usually present. Corolla 5- or rarely 4-lobed, salverform, funnelform, urceolate, or rarely rotate, lobes overlapping to right or left, rarely valvate. Stamens 5 or rarely 4; filaments short; anthers mostly sagittate, free or connivent into a cone adherent to pistil head, dehiscing longitudinally, base rounded, cordate, sagittate, or prolonged into an empty spur; pollen granular; disc ringlike or cup-shaped, 2-5-lobed, or absent. Ovaries superior, rarely half-inferior, connate or distinct, 1- or 2-locular; ovules (1 or) 2-numerous per locule. Style 1; pistil head capitate, conical, or lampshade-shaped, base stigmatic, apex 2-cleft and not stigmatic. Fruit a berry, drupe, capsule, or follicle. Seeds with or without coma; endosperm thick and often horny, scanty, sometimes absent; embryo straight or nearly so, cotyledons often large, radicle terete.

Morphology

Calyx often glandular inside; lobes 5 or rarely 4, imbricate

Corolla tubular, variously shaped; lobes contorted-imbricate, very rarely valvate

Stamens 5 or rarely 4, inserted in the tube; filaments free or rarely united; anthers often sagittate, free or connivent around the stigma, rarely adherent to the latter, 2-celled, opening lengthwise, connective often produced at the apex; pollen granular; disk usually present, annular, cupular or of separate glands

Ovary superior, 1-celled with 2 parietal placentas or 2-celled with the placentas adnate to the septa, or carpels 2 and free or connate only at the base with ventral placentas in each carpel

Style 1, split at the base or entire, thickened and stigmatose below the apex; ovules 2 or more in each carpel

Fruit entire and indehiscent or of 2 separate carpels, baccate, drupaceous or follicular

Seeds mostly with endosperm and large straight embryo, often winged or appendaged with long silky hairs

Trees, shrubs or climbers, rarely perennial herbs, with latex

Leaves opposite or verticillate, rarely alternate, simple, entire; stipules usually absent

Flowers hermaphrodite, actinomorphic

Included Genus

 Information From

Plants Of the World Online Portal
https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
http://www.plantsoftheworldonline.org/terms-and-conditions
  • A The Trustees of the Royal Botanic Gardens, Kew
Flora Of CHina @ efloras.org
http://www.efloras.org/flora_page.aspx?flora_id=2
'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  • B Missouri Botanical Garden
Apocynaceae
World Flora Online Data. 2017.
  • C CC0 1.0 Universal (CC0 1.0).
World Flora Online consortium
http://www.worldfloraonline.org/organisation/WFO
World Flora Online Data. 2018.
  • D CC0 1.0 Universal (CC0 1.0).