Crossberry Grewia occidentalis, copyright Forest & Kim Starr.
Belongs within: Malvaceae.

Grewia is a genus of trees and shrubs found in the Old World tropics. Fruit are divided into lobes, with the vernacular name ‘crossberry’ applied to G. occidentalis referring to the arrangement of lobes.

Characters (from Harden 1990): Trees or shrubs, stellate-tomentose. Leaves alternate, entire or toothed; stipules shed early. Flowers in axillary cymes, often 2 or 3 in an axil; flowers unisexual or bisexual. Sepals free. Petals pouched. Stamens numerous, borne on elongated receptacle. Ovary 2-locular; 2 ovules in each loculus; style simple. Fruit drupaceous, becoming hard on drying, 2-lobed, each lobe divided and containing a seed; fruit often remaining on branches after leaves have fallen.

<==Grewia [Grewieae]
    |--G. asiaticaPau03
    |--G. asperaK72
    |--G. brevifloraLK14
    |--G. daminePP07
    |--G. denticulataDD73
    |--G. flavescensPar03
    |--G. glabraLK14
    |--G. hirsutaM72
    |--G. insularis Ridley 1906JG19
    |--G. laevigata [incl. G. osmoxylon]JG19
    |--G. latifoliaH90
    |--G. occidentalisBAN98
    |--G. oppositifoliaT-W89
    |--G. orientalisKJ05
    |--G. oxyphyllaLK14
    |--G. papuanaB00
    |--G. polygamaC16
    |--G. populifoliaD17
    |--G. retusifoliaLK14
    |--G. tenaxPP07
    |--G. tilaefoliaS02
    |--G. umbellataT-W89
    `--G. villosaPP07

*Type species of generic name indicated


[BAN98] Baum, D. A., W. S. Anderson & R. Nyffeler. 1998. A durian by any other name: taxonomy and nomenclature of the core Malvales. Harvard Papers in Botany 3 (2): 315–330.

[B00] Braby, M. F. 2000. Butterflies of Australia: their identification, biology and distribution vol. 2. CSIRO Publishing: Collingwood (Victoria).

[C16] Cambage, R. H. 1916. Notes on the native flora of tropical Queensland. Journal and Proceedings of the Royal Society of New South Wales 49 (3): 389–447, pls 57–61.

[DD73] Deb, D. B., & R. M. Dutta. 1973. Contribution to the flora of Tirap Frontier Division. Journal of the Bombay Natural History Society 69 (3): 547–573.

[D17] Diels, L. 1917. Beiträge zur Flora der Zentral-Sahara und ihrer Pflanzengeographie. Nach der Sammelausbeute des Freiherrn Hans Geyr von Schweppenburg. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 54 (Beiblatt 120): 51–155.

[H90] Harden, G. J. (ed.) 1990. Flora of New South Wales vol. 1. New South Wales University Press.

[JG19] James, D. J., P. T. Green, W. F. Humphreys & J. C. Z. Woinarski. 2019. Endemic species of Christmas Island, Indian Ocean. Records of the Western Australian Museum 34 (2): 55–114.

[KJ05] Katewa, S. S., A. Jain, B. L. Chaudhary & P. Galav. 2005. Some unreported medicinal uses of plants from the tribal area of Southern Rajasthan. Bulletin of the Botanical Survey of India 47: 121–130.

[K72] Krishnan, M. 1972. An ecological survey of the larger mammals of peninsular India (continued). Journal of the Bombay Natural History Society 69 (2): 297–351.

[LK14] Lyons, M. N., G. J. Keighery, L. A. Gibson & T. Handasyde. 2014. Flora and vegetation communities of selected islands off the Kimberley coast of Western Australia. Records of the Western Australian Museum Supplement 81: 205–244.

[M72] Mitra, S. N. 1972. Observations on the vegetation of the Upper Damodar catchment area. Journal of the Bombay Natural History Society 69 (1): 17–25.

[PP07] Pandey, R. P., & P. M. Padhye. 2007. Studies on phytodiversity of Arid Machia Safari Park-Kailana in Jodhpur (Rajasthan). Bulletin of the Botanical Survey of India 49: 15–78.

[Par03] Parmar, P. J. 2003. Loss of Commiphora wightii (Arn.) Bhandari in Indian desert. Bulletin of the Botanical Survey of India 45: 77–90.

[Pau03] Paul, T. K. 2003. Botanical observations on the Purulia pumped storage hydropower project area, Bagmundi Hills, Purulia district, West Bengal. Bulletin of the Botanical Survey of India 45: 121–142.

[S02] Santharam, V. 2002. Fruit and nectar resources in a moist deciduous forest and their use by birds—a preliminary report. Journal of the Bombay Natural History Society 99 (3): 537–543.

[T-W89] Tenison-Woods, J. E. 1889. On the vegetation of Malaysia. Proceedings of the Linnean Society of New South Wales, series 2, 4 (1): 9–106, pls 1–9.

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