, or rarely treelike, with milky
or, less often, clear latex. Leaves simple
, opposite or occasionally whorled
, very rarely alternate, usually without obvious stipules, margin
nearly always entire. Inflorescences terminal
, or extra-axillary
, often condensed and umbel-like, occasionally a racemelike bostrychium. Flowers bisexual
, 5-merous, actinomorphic
. Sepals joined at base
only, often with 5 or more basal glands
in the sinuses. Corolla sympetalous
or overlapping in bud to right
or left. Corona
usually present, inserted
on corolla, stamens, or both. Stamens 5, usually inserted at base of corolla tube
and adhering to stigma head
to form gynostegium; filaments
to form a tube enclosing ovaries; anthers
4-celled (Periplocoideae and Secamonoideae) or 2-celled (Asclepiadoideae), often with a membranous apical appendage
; pollen tetrads
contained loosely on a spatulate
with a basal corpusculum (Periplocoideae), or pollen united into waxy pollinia, each attached through a caudicle
) to the retinaculum (gland
) between adjacent
anthers to form a pollinarium
, pollinia 2 (Asclepiadoideae) or 4 (Secamonoideae) per pollinarium. Ovaries 2, free
, superior; ovules numerous
. Styles connate; stigma head fleshy. Fruit of 1 or 2 follicles. Seeds numerous, strongly compressed
, with a coma (a prominent
basal tuft of silky
) . Chromosome number x = (8-) 11 (or 12) .
Some 250 genera and over 2000 species: widespread in tropical and subtropical regions, especially in Africa and southern South America, with a moderate representation in northern and southeastern Asia; 44 genera (four endemic) and 270 species (153 endemic) in China.
Some authorities include this family in the Apocynaceae. Genera 1-6 are sometimes placed in a separate family, the Periplocaceae, here regarded as a subfamily , Periplocoideae. Genera 7-10 belong to the Secamonoideae and the remaining genera to the Asclepiadoideae. Many Chinese taxa are known only from dried material , sometimes not well preserved, and it is likely that the study of living or spirit-preserved material could lead to a reassessment of the taxonomy of some of these endemic taxa.
All plant parts, especially the seeds and latex, are often poisonous. They contain various alkaloids and glycosides, many of which are used in medicine and as insecticides . A few succulent species (e.g. , Stapelia gigantia N. E. Brown, Orbea pulchella (Masson) L. C. Leach, and O. variegata (Linnaeus) Haworth are grown by specialist collectors in China.
Typically found at an altitude of 0 to 2,582 meters (0 to 8,471 feet).
- Whittaker & Margulis,1978
- Haeckel, 1866
- Cavalier-Smith, 1981
- Cronquist, Takhtajan & W. Zimmermann, 1966
- Flowering Plants
- (Auct.) Cavalier-Smith, 1998
- Brongniart, 1843
- Subclass: Lamiidae () - Takhtajan Ex Reveal, 1992
- Class: Magnoliopsida () - Brongniart, 1843 - Dicotyledons
- Infraphylum: Angiospermae () - Auct.
- Subphylum: Spermatophytina () - (Auct.) Cavalier-Smith, 1998
- Phylum: Magnoliophyta () - Cronquist, Takhtajan & W. Zimmermann, 1966 - Flowering Plants
- Subkingdom: Viridaeplantae () - Cavalier-Smith, 1981
- Kingdom: Plantae () - Haeckel, 1866 - Plants
Members of the genus Schubertia
ZipcodeZoo has pages for 0 species, subspecies, varieties, forms, and cultivars in this genus:
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- Tsiang Ying & Li Ping-tao. 1977. Asclepiadaceae. Fl. Reipubl. Popularis Sin. 63: 249-575.
- Global Biodiversity Information Facility. Accessed January 21, 2008. http://www.gbif.org Mediated distribution data from 3 providers.
Accessed through GBIF Data Portal January 21, 2008:
- Missouri Botanical Garden, Missouri Botanical Garden
- SysTax, Herbarium Universitat Ulm
- SysTax, SysTax
- SysTax, Universidade Federal de Mato Grosso
- Biodiversity Heritage Library NamebankID: 3426975
- Globally Unique Identifier: urn:lsid:ipni.org:names:101279-1
- Zipcode Zoo Species Identifier: 891703
- Bingtao Li, Michael G. Gilbert & W. Douglas Stevens "Asclepiadaceae". in Flora of China Vol. 16 Page 189. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
- Mean = 116.740 meters (383.005 feet), Standard Deviation = 718.310 based on 162 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]