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Rhus chinensis

(Chinese Sumac)

Interesting Facts

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Common Names

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Common Names in English:

Chinese Sumac, Chinese Gall, Nutgall, Nutgalltree

Description

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Genus Rhus

Polygamous or dioecious trees or shrubs , usually sapiferous; sap often irritant. Leaves compound . Flowers small, greenish, in axillary or terminal panicles. Calyx persistent , 4-6-lobed; lobes imbricate. Petals 4-6, spreading . Disk present. Stamens as many as or twice the number of petals; anthers bilocular , imperfect in the female flowers. Ovary unilocular ; styles 3, usually free . Drupe small and dry.

Commonly known as sumacs. A genus of 250 species occurring in the warm temperate and subtropical regions of both the hemispheres. Represented in Pakistan by 7 species, 4 of which are native .[1]

Physical Description

Species Rhus chinensis

Shrubs to trees , 2-10 m tall; branchlets ferruginous pubescent , lenticellate . Leaf blade sessile, imparipinnately compound ; rachis broadly winged to wingless, ferruginous pubescent; leaflets (5-) 7-13; leaflet blade ovate to oblong , increasing in size toward apex, 6-12 × 3-7 cm, adaxially dark green, sparsely pubescent or glabrescent , abaxially lighter green, glaucous, and ferruginous pubescent, base rounded to cuneate in terminal leaflet, margin dentate , often crenate , apex acute, lateral veins and reticulate venation impressed adaxially and prominent abaxially. Inflorescence many branched, densely ferruginous pubescent, male ones 30-40 cm, female ones shorter. Pedicel ca. 1 mm, minutely pubescent; flowers white. Male flowers: calyx minutely pubescent, lobes long ovate, ca. 1 mm, with ciliate margins; petals obovate-oblong, ca. 2 mm; stamen filaments ca. 2 mm, anthers ovoid , ca. 0.7 mm; disk annular ; ovary reduced to absent. Female flowers: calyx lobes ca. 0.6 mm; petals elliptic-ovate, ca. 1.6 mm; staminodes much reduced; disk annular; ovary ovoid, ca. 1 mm, densely white pubescent, styles 3, stigma capitate. Drupe globose , slightly compressed , 4-5 mm in diam., mixed pilose and glandular-pubescent , red at maturity. Fl. Aug-Sep, fr. Oct. [source]

Habit: Deciduous.

Flowers: Bloom Period: January, February, March. • Flower Color: pale green, red

Size/Age/Growth

Size: 30-40' tall.

Habitat

Lowland, hill , and mountain forests , forests along streams , thickets; 100-2800 m [2].

Biology

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Growth

Culture: Space 20-30' apart.

Soil: Minimum pH: 6.1 • Maximum pH: 8.5

Sunlight: Sun Exposure: Full sun .

Temperature: Cold Hardiness: 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b, 11. (map)

Taxonomy

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Notes

Publishing author : Mill . Publication : Gard. Dict., ed. 8. n. 7 1768 [16 Apr 1768]

Name Status: Accepted Name .

Last scrutiny: 15-Mar-2000

Similar Species

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Members of the genus Rhus

ZipcodeZoo has pages for 46 species, subspecies, varieties, forms, and cultivars in this genus:

R. aromatica (Fragrant Sumac) · R. aromatica var. arenaria (Fragrant Sumac) · R. aromatica var. aromatica (Fragrant Sumac) · R. aromatica var. serotina (Fragrant Sumac) · R. aromatica 'Gro-low' (Gro-Low Fragrant Sumac) · R. aromatica 'Grow-Low' (Fragrant Sumac) · R. aromatica 'Konza' (Konza Fragrant Sumac) · R. ashei (Ash's Sumac) · R. chinensis (Chinese Sumac) · R. copallina (Dwarf Sumac) · R. copallina copallina (Mountain Sumach) · R. copallina leucantha (Southern Sumac) · R. copallinum (Flameleaf Sumac) · R. copallinum var. copallinum (Flameleaf Sumac) · R. copallinum var. latifolia (Winged Sumac) · R. copallinum var. leucantha (Winged Sumac) · R. coriaria (Elm-Leaved Sumac) · R. crenata (Dune Crowberry) · R. glabra (Smooth Sumac) · R. glabra 'Laciniata' (Cutleaf Staghorn Sumac) · R. glauca (Gray-Green Taaibos) · R. hirta (Staghorn Sumac) · R. integrifolia (Lemonade Berry) · R. kearneyi (Desert Sumac) · R. lancea (African Sumac) · R. lanceolata (Prairie Sumac) · R. lentii (Pink Flowering Sumac) · R. michauxii (False Poison Sumac) · R. microphylla (Littleleaf Sumac) · R. ovata (Chapparal Sumac) · R. pendulina (River Karee) · R. pulvinata (Pulvinate Sumac) · R. sandwicensis (Neleau) · R. trichocarpa (Japanese Sumac) · R. trilobata (Aromatic Sumac) · R. trilobata var. anisophylla (Smoothleaf Skunkbush) · R. trilobata var. pilosissima (Fragrant Sumacpubescent Skunkbush Sumac) · R. trilobata var. quinata (Grand Canyon Skunkbush) · R. trilobata var. racemulosa (Summer Skunkbush) · R. trilobata var. simplicifolia (Single-Leaf Skunkbush) · R. trilobata var. trilobata (Ill-Scented Sumac) · R. typhina 'Tiger Eyes' (Staghorn Sumac) · R. virens (Evergreen Sumac) · R. virens choriophylla var. choriophylla (Evergreen Sumac) · R. virens var. choriophylla (Evergreen Sumac) · R. virens var. virens (Evergreen Sumac)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal November 28, 2007:

Identifiers

Footnotes

  1. Yashin J. Nasir "Rhus". in Flora of Pakistan Page 4.. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
  2. "Rhus chinensis". in Flora of China Vol. 11 Page 335, 346. Missouri Botanical Garden Press. Online at EFloras.org. [back]
Last Revised: 7/15/2012