Meiogyne
| Meiogyne | |
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| Meiogyne pannosa | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Magnoliids |
| Order: | Magnoliales |
| Family: | Annonaceae |
| Tribe: | Miliuseae |
| Genus: | Meiogyne Miq. |
| Species | |
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See text. | |
| Synonyms | |
Meiogyne is a genus of flowering plants with 38 species belonging to the family Annonaceae. It is native from southwestern India and Indochina to Australia, including Fiji and New Caledonia. The type species is Meiogyne virgata.[1]
Description[edit]
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Trees or shrubs with pale straw coloured twigs. Leaves membraneous and with prominent veins. Flowers axillary, medium to large. Sepals 3, valvate, connate at base. Petals 6, valvate in two series, tapering gradually from a broad base upward and diverging, densely tomentose or sericeous-tomentose. The inner petals are slightly shorted in length with a warted patch at base inside. Stamens numerous with flat-topped slightly oblique connective tissue, concealing the anther lobes with viewed from above. Torus convex. Ovaries 2 to 5 with several ovules in two rows. Stigma discoid, sessile. Carpels thick-walled, sessile or sub-sessile.
Meiogyne is different from Cyathocalyx in several ways. The leaf texture is different. Flowers are axillary and not extra-axillary or leaf-opposed. Arrangement of the petals is diverging from a broad base and not clawed and constricted and the base is not adpressed over the stamens. The warted base of the inner petal is peculiar. The stamens and stigmas are similar to Cyathocalyx. Meiogyne is similar to Polyalthia in its spreading petals and similarity of stamens, but the large number of seeds and sessile, discoid stigma are distinguishing features.[1]
Species[edit]
As of May 2024[update] Plants of the World Online includes 38 species, as follows:[2]
- Meiogyne amicorum (A.C.Sm.) B.Xue & R.M.K.Saunders
- Meiogyne amygdalina (A.Gray) B.Xue & R.M.K.Saunders
- Meiogyne anomalocarpa D.M.Johnson & Chalermglin
- Meiogyne arunachalensis N.V.Page[3]
- Meiogyne baillonii (Guillaumin) Heusden
- Meiogyne beccarii I.M.Turner
- Meiogyne bidwillii (Benth.) D.C.Thomas, Chaowasku & R.M.K.Saunders
- Meiogyne caudata (C.E.C.Fisch.) I.M.Turner
- Meiogyne chiangraiensis Chalermglin & M.F.Liu
- Meiogyne cylindrocarpa (Burck) Heusden
- Meiogyne dumetosa (Vieill. ex Guillaumin) Heusden
- Meiogyne gardneri D.M.Johnson
- Meiogyne glabra Heusden
- Meiogyne habrotricha (A.C.Sm.) B.Xue & R.M.K.Saunders
- Meiogyne hainanensis (Merr.) Bân
- Meiogyne heteropetala (F.Muell.) D.C.Thomas, Chaowasku & R.M.K.Saunders
- Meiogyne hirsuta (Jessup) Jessup
- Meiogyne insularis (A.C.Sm.) D.C.Thomas, B.Xue & R.M.K.Saunders
- Meiogyne kanthanensis Ummul-Nazrah & J.P.C.Tan
- Meiogyne laddiana (A.C.Sm.) B.Xue & R.M.K.Saunders
- Meiogyne lecardii (Guillaumin) Heusden
- Meiogyne leptoneura (Diels) I.M.Turner & Utteridge
- Meiogyne maxiflora D.M.Johnson & Chalermglin
- Meiogyne microflora (H.Okada) B.Xue, M.F.Liu & R.M.K.Saunders
- Meiogyne mindorensis (Merr.) Heusden
- Meiogyne monosperma (Hook.f. & Thomson) Heusden
- Meiogyne oligocarpa B.Xue & Y.H.Tan
- Meiogyne pannosa (Dalzell) J.Sinclair
- Meiogyne papuana I.M.Turner & Utteridge
- Meiogyne punctulata (Baill.) I.M.Turner & Utteridge
- Meiogyne ramarowii (Dunn) Gandhi
- Meiogyne rubra Jaikhamseub, Damth. & Chaowasku
- Meiogyne stenopetala (F.Muell.) Heusden
- Meiogyne subsessilis (Ast) J.Sinclair
- Meiogyne trichocarpa (Jessup) D.C.Thomas & R.M.K.Saunders
- Meiogyne verrucosa Jessup
- Meiogyne vietnamica Jaikhamseub, T.A.Le & Chaowasku
- Meiogyne virgata (Blume) Miq.
References[edit]
- ^ a b Sinclair, J. (1955). "A revision of Malayan Annonaceae". Gardens Bulletin Singapore. 14 (2): 276–279. Retrieved 22 January 2023.
- ^ "Meiogyne Miq". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 17 May 2024.
- ^ Page, Navendu (2023-05-19). "A new species of Meiogyne (Annonaceae) from the Eastern Himalayas of northeast India". Edinburgh Journal of Botany. 80: 1–8. doi:10.24823/ejb.2023.1954. ISSN 1474-0036.