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FOC | Family List | FOC Vol. 11 | Rutaceae

17. Murraya J. Koenig ex Linnaeus, Mant. Pl. 2: 554, 563. 1771.

九里香属 jiu li xiang shu

Authors: Prof. Dianxiang Zhang & Thomas G. Hartley

Bergera J. Koenig ex Linnaeus; Camunium Adanson.

Shrubs or trees, unarmed, without rust-colored villosulous indumentum on terminal and axillary bud or young inflorescences. Leaves alternate, odd-pinnate (occasional leaves even-pinnate or 1-foliolate). Inflorescences terminal or terminal and axillary, paniculate or reduced to cymes or few to several-flowered racemes. Flowers bisexual, ellipsoid to obovoid, or narrowly so or subcylindric in bud. Sepals 4 or 5, connate at base or to ± half their length. Petals 4 or 5, imbricate in bud. Stamens (5-)8 or 10, distinct, alternately unequal in length; filaments linear or sublinear, ± straight. Disk annular, pulvinate, or columnar. Gynoecium 2-5-loculed, syncarpous; radial walls of locules straight; ovules 1 or 2 per locule; style 3-7 × as long as ovary, deciduous in fruit or sometimes basal portion persistent. Fruit a berry, with mucilaginous pulp and without pulp vesicles; endocarp fleshy. Seeds with membranous or fleshy seed coat; endosperm lacking; embryo straight; cotyledons elliptic, plano-convex, neither convolute nor folded; hypocotyl partly included between cotyledons.

About 12 species: E, S, and SE Asia, Australia, SW Pacific islands; nine species (five endemic) in China.

In a cladistic analysis of selected species of subfamily Aurantioideae based on plastid DNA sequences and phytochemical features, R. Samuel et al. (Pl. Biol. 3: 77-87. 2001) proposed that Murraya is heterogeneous and that plants of M. sect. Bergera (J. Koenig ex Linnaeus) But & Y. C. Kong (including species 4-9 in the present enumeration) are generically distinct from those of M. sect. Murraya. However, as they pointed out, it is not clear yet whether Bergera is distinct from Clausena.

1 Petals 1-2 cm; seeds villous   (2)
+ Petals not more than 0.8 cm; seeds glabrous   (4)
2 (1) Leaf rachises winged.   1 M. alata
+ Leaf rachises not winged   (3)
3 (2) Leaflet blades mostly suborbicular to ovate to elliptic, 1.5-6 cm wide.   2 M. paniculata
+ Leaflet blades elliptic-obovate or obovate, 0.5-3 cm wide.   3 M. exotica
4 (1) Flowers 4(or 5)-merous; stamens 8(or 10)   (5)
+ Flowers 5-merous; stamens 10   (6)
5 (4) Leaflet blades lanceolate, 0.8-2 cm wide, tertiary veins inconspicuous.   4 M. tetramera
+ Leaflet blades ovate to elliptic or rarely lanceolate or obovate, 2-4 cm wide, tertiary veins adaxially slightly prominent.   5 M. euchrestifolia
6 (4) Leaves 11-31-foliolate   (7)
+ Leaves 3-11-foliolate   (8)
7 (6) Leaflet blades 3-6 mm wide, apex rounded to obtuse.   6 M. microphylla
+ Leaflet blades 5-20 mm wide, apex mucronate to acuminate.   7 M. koenigii
8 (6) Leaflet blades pubescent abaxially.   9 M. kwangsiensis
+ Leaflet blades glabrous   (9)
9 (8) Leaflet blades 5-6 × 2-3 cm.   8 M. crenulata
+ Leaflet blades 7-18 × 4-10 cm.   9 M. kwangsiensis

  • List of lower taxa


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