1. Rosaceae Juss.

    1. This family is accepted.

[FTEA]

Rosaceae, R. A. Graham. Flora of Tropical East Africa. 1960

Habit
Herbs, shrubs, scramblers or trees
Leaves
Leaves simple or compound, alternate, stipulate
Flowers
Flowers regular or irregular, hermaphrodite, monoecious, dioecious, or polygamous, perigynous or epigynous
Calyx
Calyx campanulate or urceolate, free or adnate in part to the receptacle, sometimes gibbous and asymmetrical, the lobes 4–5, with or without an additional row of 4–5 alternating outer lobes (epicalyx)
Receptacle
Receptacle flat, or convex and sometimes very accrescent, or concave, the mouth symmetrically or asymmetrically crateriform
Corolla
Petals 5 or 0
Androecium
Stamens 1 to many, sometimes biseriate, exserted or included, free or basally connate, regularly disposed or inserted on one side of the receptacle only; staminodes (if present) usually inserted on one side of the receptacle and there replacing the fertile stamens
Gynoecium
Styles terminal or basal, exserted or included Carpels 1 to many, free or fused to each other and to the receptacle, or fused but free of the receptacle Ovules 1 or 2
[FZ]

Rosaceae, E. J. Mendes. Flora Zambesiaca 4. 1978

Habit
Trees, shrubs, scramblers, brambles or herbs, rarely annuals in the FZ area
Leaves
Leaves alternate, rarely opposite or borne in groups of 2 or 3 at each node, simple or compound; stipules usually present and paired
Inflorescences
Inflorescence corymbose, racemose or paniculate, or flowers solitary
Flowers
Flowers actinomorphic or almost so, mostly bisexual, rarely dioecious or polygamo-dioecious
Calyx
Calyx-tube short or elongated, free or adnate to the gynoecium; sometimes with an “epicalyx” of bracteoles; calyx-lobes usually 5, imbricate; disk usually present, lining the mouth of the calyx-tube, usually entire-margined
Corolla
Petals inserted below the margin of the disk, as many as the calyx-lobes, imbricate or convolute, usually free, often deciduous, or absent
Androecium
Stamens usually numerous, usually in a complete ring at the margin of or above the disk; filaments usually free and filiform; anthers mostly small, dehiscing longitudinally
Gynoecium
Carpels l–¥, free or connate and then usually ± adnate to the calyx-tube; styles terminal or basal; ovules often 2, rarely 1 or several
Fruits
Fruits various, inferior to superior, naked or enclosed by the persistent calyx or calyx-tube, drupaceous, pomaceous, follicular, or composed of an indefinite number of achenes or drupelets, rarely capsular
Seeds
Seeds erect or pendulous; endosperm absent or very rarely scantily present; cotyledons usually fleshy
[FWTA]

Rosaceae, Hutchinson and Dalziel. Flora of West Tropical Africa 1:2. 1958

Habit
Trees, shrubs or herbs
Leaves
Leaves various, simple or compound, alternate or rarely opposite; stipules mostly present and paired, sometimes adnate to the petiole
Flowers
Flowers actinomorphic or subzygomorphic, usually hermaphrodite
Calyx
Calyx free or adnate to the ovary; lobes imbricate
Corolla
Petals present, rarely absent, imbricate
Androecium
Stamens usually numerous; filaments free or connate; anthers small, 2-celled
Gynoecium
Carpels 1 or more, free or connate, superior or inferior; styles free or rarely connate Ovules 2 or more in each carpel, superposed
Fruits
Fruit superior or inferior, drupaceous, pomaceous, follicular or achenial
Seeds
Seeds without endosperm

Images

Rosaceae Juss. appears in other Kew resources:

First published in Gen. Pl. [Jussieu] 334. 1789 [4 Aug 1789] (1789)

Accepted by

  • APG IV (2016) http://dx.doi.org/10.1111/boj.12385

Sources

Flora Zambesiaca
Flora Zambesiaca
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of West Tropical Africa
Flora of West Tropical Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2018. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0