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Common name: Glaucidium Family.
Number of genera 1. Number of species 1 (Glaucidium palmatum Sieb. & Zucc.).
Angiosperm. Magnoliopsida.
Disseminule a dehisced fruit, or a seed.
Fruits
Fruit pericarpium (assumed); simple; follicle (Tamura (1972), page 36: "Follicles dehisce along both the ventral and dorsal sutures, and are quadriform, connate along the inside of both, being about 16 mm. in length"); without persistent central column; 10 to less than 25-seeded; 18–20-seeded; from 1–5 cm long; 1.5–1.6 cm long; 2(–3)-carpellate; with carpels united; with carpels remaining united at maturity; with carpels not radiating at maturity; without sterile carpels; not sulcate; apex not beaked; dehiscent. Dehiscent unit endocarp(s). Dehiscent regularly; passively; linearly; by dorsal sutures, or ventral sutures; without replum. Epicarp durable; without armature; without wing(s); without apical respiratory hole. Mesocarp absent. Endocarp present; not separating from exocarp; thin; not splitting into 1-seeded pyrenes; smooth; without wing; without operculum; without secretory cavities; without mechanism for seedling escape; without grooves; 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; 10 to less than 25 mm long; 12–14 mm long; narrowly oblong, or obovate; in transection flattened; not bowl shaped; not nutlike; without winglike beak; without caudate appendage(s); without canavanine. Sarcotesta absent. Testa present; without fleshy or leathery layer over hard layer; without crease or line separating cotyledons from hypocotyl-radicle; without notch along margin where cotyledons from hypocotyl-radicle tip approach each other; without glands; without bristles; glabrous; with wing(s) (the raphe); 1-winged; with wing on one side; without collar; without operculum; colored; monochrome; crustaceous; not becoming mucilaginous when wetted. Raphe conspicuous; texture as testa.
Embryo differentiated from food reserve; well developed; 1 per seed; 0.7–0.8 times the length of food reserve; at one end of seed not extending into a depression or cup; axile and centric; linear (assumed); without coleorhiza; without simmondsin; without stomata; not green; with 2 or more cotyledons (assumed). Cotyledons 2 (assumed); equal in size; not punctate dotted.
Distribution
Old World. Asia Major (China).
Notes
Cronquist has in Ranunculaceae & Mabberley has in Paeoniaceae.
Weed information
No USA noxious weeds.
Listed seeds
No ASOA or ISTA listed seeds.
Accepted genera
Glaucidium Siebold & Zucc.
References specific to this family
Cronquist page 124 (Cronquist has in Ranunculaceae & Mabberley has in Paeoniaceae). Tamura, M. 1972. Morphology and phyletic relationship of the Glaucidiaceae. Bot. Mag. (Tokyo) 85:29–41.
General references
Corner, E.J.H. 1976. The seeds of Dicots, esp. vol. 2. Cambridge University Press, New York, 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.
Illustrations
No fruit and seed illustrations. Disseminule illustration(s): fruit, or seed, or embryo.
• Fruit. 1 of 3. Glaucidium palmatum Sieb. & Zucc.: fruit. • Seed. 2 of 3. Glaucidium palmatum Sieb. & Zucc.: broken seed. • glauci03.gif. 3 of 3.
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’.
