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Common name: Rhoiptelea Family.
Number of genera 1. Number of species 1 (Rhoiptelea chiliantha Diels & Hand.-Mazz.).
Angiosperm. Magnoliopsida.
Disseminule an intact or entire fruit.
Fruits
Pistil(s) simple, or compound; 2–5; 2-pistillate; with carpels united. Fruit pericarpium; simple; samara (not Spjut); without persistent central column; with stylar remenant(s); at apex; not within accessory organ(s); 1-seeded to more than 1 but less than 10-seeded; 1(–2)-seeded; 2-carpellate; with carpels united; with carpels remaining united at maturity; with carpels not radiating at maturity; not sulcate; in transection terete; apex not beaked; wall chartaceous (at least for "wings"); indehiscent. Epicarp green (ish), or purple (ish); chartaceous; glabrous (without hairs); without armature; not smooth; glandular; with wing(s); 2-winged; with wing(s) lateral; without apical respiratory hole. Endocarp present; hard; not splitting into 1-seeded pyrenes; without operculum; without secretory cavities; without longitudinal ridges. Funiculus short; short without seed bearing hooks (retinacula); not persisting in fruit after seed shed.
Seeds
Aril absent. Seed larger than minute; ovate; not nutlike; without winglike beak; without caudate appendage(s); at maturity without food reserves. Sarcotesta absent. Testa present; without fleshy or leathery layer over hard layer; surrounding embryo.
Embryo differentiated from food reserve; well developed; 1 per seed; completely filling testa (no food reserve); 1 times the length of food reserve; at one end of seed not extending into a depression or cup; foliate; with spatulate cotyledons; straight; parallel to seed length; with cotyledons abruptly connected to hypocotyl-radicle; without coleorhiza; without simmondsin; with cotyledons containing oils; without stomata; not green; with 2 or more cotyledons. Cotyledons 2; well developed; not divaricate; 0.7 times length of embryo; somewhat to significantly wider than hypocotyl-radicle; 2.7 times wider than hypocotyl-radicle; thick; equal in size; not punctate dotted.
Distribution
Old World. Asia Major, southeastern Asia (southwestern China & north Vietnam).
Weed information
No USA noxious weeds.
Listed seeds
No ASOA or ISTA listed seeds.
Accepted genera
Rhoiptelea Diels & Hand.-Mazz. --
References specific to this family
Cronquist page 210. Woonyong, C. & H. Chengchiu, eds. 1998. Flora Reipublicae popularis sinicae, vol. 22. Science Press, Beijing.
General references
Cronquist, A. 1981. An integrated system of classification of flowering plants, 1,262 p. Columbia University Press, New York, Goldberg, A. 1986 (dicots) and 1989 (monocots). Classification, evolution, and phylogeny of the familes of Dicotyledons. Smithsonian Contr. Bot. 58 for dicots (314 pp.) and 71 for monocots (74 pp.). [Goldberg's illustrations are reproduced from older publications and these should be consulted], Gunn, C.R., J.H. Wiersema, C.A. Ritchie, and J.H. Kirkbride, Jr. 1992 and amendments. Families and genera of Spermatophytes recognized by the Agricultural Research Service. Techn. Bull. U.S.D.A. 1796:1–500, Hutchinson, J. 1964. The families of flowering plants, vol. I. Dicotyledons. Clarendon Press, Oxford, Mabberley, D.J. 1987. The plant-book, 706 p. Cambridge University Press, Cambridge.
Illustrations
Poor fruit and & acceptable illustrations. Cronquist has no illustration. Disseminule illustration(s): fruit, or seed. Fruit illustration(s): Woonyong & Chenchiu (1998), Huchinson. Seed illustration(s): Karen. Embryo illustration(s): Karen. Karen's plate number and taxon (taxa): 057: Rhoiptelea chiliantha Diels & Hand.-Mazz. (A-B) [Is this correctly identified?].
• Fruit. 1 of 3. Rhoiptelea chiliantha Diels & Hand.-Mazz.: fruits. • Seed. 2 of 3. Rhoiptelea chiliantha Diels & Hand.-Mazz.: seeds. • Embryo. 3 of 3. Rhoiptelea chiliantha Diels & Hand.-Mazz.: embryo.
We advise against extracting comparative information from the descriptions. This is much more easily achieved using the DELTA data files or the interactive key, which allows access to the character list, illustrations, full and partial descriptions, diagnostic descriptions, differences and similarities between taxa, lists of taxa exhibiting or lacking specified attributes, and distributions of character states within any set of taxa. See also Guidelines for using data taken from Web publications.
Cite this publication as: ‘J.H. Kirkbride, Jr., C.R. Gunn, and M.J. Dallwitz. 2000 onwards. Family guide for fruits and seeds: descriptions, illustrations, identification, and information retrieval. Version: 12th April 2021. delta-intkey.com’.
