All Floras      Advanced Search
FOC Vol. 15 Page 272 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 15

Oleaceae Hoffmannsegg & Link

木犀科 mu xi ke

Authors: Mei-chen Chang, Lien-ching Chiu, Zhi Wei & Peter S. Green

Trees or erect or scandent shrubs. Branches and branchlets lenticellate. Leaves opposite, rarely alternate or whorled, simple, trifoliolate, or pinnately compound, without stipules; venation pinnate or palmate. Inflorescences terminal or axillary, in cymes, panicles, racemes, umbels, or fascicles. Flowers actinomorphic, bisexual, rarely unisexual or polygamous and plants monoecious, dioecious, or polygamodioecious. Calyx 4(-16)-lobed or -parted, rarely absent. Corolla 4(-16)-lobed, sometimes almost free to base, rarely absent; lobes sometimes united in pairs at base or into a very short tube. Stamens 2(-4), inserted on corolla tube or hypogynous; anthers dehiscing longitudinally; pollen 3-colpate or 3-colporate. Ovary superior, 2-loculed; ovules 2 in each locule, sometimes 1 or numerous. Style 1 or absent; stigma 2-lobed or capitate. Fruit a drupe, berry, capsule, or samara. Seeds with straight embryo, with or without endosperm; radicle curved upward or downward.

About 28 genera and over 400 species: tropical, subtropical, and temperate regions of world, but mainly in Asia. China has 10 genera and 160 species (95 endemic) and is the center of diversity for the genera Forsythia, Syringa, Osmanthus, and Ligustrum.

Many genera are important economically: Fraxinus and Forsythia (medicinal, ornamental); Jasminum, Osmanthus, and Syringa (spice, ornamental); Olea (oil); and Fraxinus (timber).

Chang Mei-chen, Miao Bo-mao, Lu Rui-ling, & Qiu Lian-qing in: Chang Mei-chen & Qiu Lian-qing, eds. 1992. Oleaceae. Fl. Reipubl. Popularis Sin. 61: 1-222.

1 Fruit samara or capsule.   (2)
+ Fruit drupe or berry.   (5)
2 (1) Fruit samara.   (3)
+ Fruit capsule.   (4)
3 (2) Fruit surrounded by wing; leaves simple   1 Fontanesia
+ Fruit with a elongated apical wing; leaves pinnately compound   2 Fraxinus
4 (2) Corolla yellow, lobes imbricate and longer than tube; branches hollow or with a lamellate pith   3 Forsythia
+ Corolla not yellow, lobes valvate and shorter than or as long as tube; branches with a solid pith   4 Syringa
5 (1) Fruit drupe.   (6)
+ Fruit berry or berrylike.   (8)
6 (5) Corolla lobes imbricate; flowers fascicled or rarely in short and small panicles   5 Osmanthus
+ Corolla lobes valvate; flowers usually in panicles.   (7)
7 (6) Corolla with an obvious tube, lobes 4 or absent   7 Olea
+ Corolla lobes almost free to base, united in pairs at base, or united into a very short tube up to 1 mm   6 Chionanthus
8 (5) Corolla urceolate or campanulate; leaves 3-veined   8 Myxopyrum
+ Corolla rotate, funnelform, or salverform; leaves usually pinnately veined.   (9)
9 (8) Corolla lobes 4, valvate; berrylike drupe solitary; leaves simple   9 Ligustrum
+ Corolla lobes 4-16, imbricate; berry usually didymous; leaves pinnately compound, 3-foliolate, or simple   10 Jasminum

Lower Taxa


Related Objects  
  • PDF File
  • PDF

    Flora of Chile  
  • Family PDF
  • PDF
    Interactive Keys by Xiangying Wen  
  • Forsythia sp. (Xiangying Wen)
  • Image/JPEG
  • Forsythia sp. (Xiangying Wen)
  • Image/JPEG
  • Jasminum angulare (Xiangying Wen)
  • Image/JPEG
  • Jasminum angulare (Xiangying Wen)
  • Image/JPEG
  • Jasminum nudiflorum (Xiangying Wen)
  • Image/JPEG
  • Jasminum sambac (Xiangying Wen)
  • Image/JPEG
  • Jasminum sp. (Xiangying Wen)
  • Image/JPEG
  • Oleaceae sp. (Xiangying Wen)
  • Image/JPEG
  • Osmanthus fragrans (Xiangying Wen)
  • Image/JPEG
  • Syringa sp. (Xiangying Wen)
  • Image/JPEG

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |