Physical Description

Morphology

Description

Trees small, to 6 m tall; usually with few 1–1.5 cm thorns. Branchlets purplish brown when young, yellowish brown when old, terete, glabrous; buds purplish brown, triangular-ovoid, glabrous. Stipules falcate, 5–8 mm, membranous, glabrous, margin glandular serrate, apex acute; petiole 1.5–2 cm, pubescent; leaf blade triangular-ovate to broadly ovate, 5–9 × 3–5 cm, both surfaces sparsely pubescent, sometimes abaxially barbate in vein axils, base broadly cuneate or subrounded, margin sharply serrate, usually with 3–5 pairs of irregular lobes, apex acute or shortly acuminate. Corymb 2–3.5 cm in diam., several flowered; peduncle glabrous; bracts caducous, lanceolate, membranous. Pedicel 2–6 mm, glabrous. Flowers 1–1.2 cm in diam. Hypanthium campanulate, abaxially glabrous. Sepals triangular-lanceolate, 2–3 mm, both surfaces glabrous. Petals white, suborbicular, 5–7 × 4–5 mm. Stamens 20. Ovary pubescent apically; styles 5. Pome red when immature, black when mature with green pulp, subglobose, glabrous; sepals persistent; pyrenes 4 or 5, with concave scars on both inner sides. Fl. Jun–Jul, fr. Aug–Sep.
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Ecology

Habitat

Habitat & Distribution

Cultivated. Liaoning [native to Japan and Russia (Kamchatka, Sakhalin)].
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Crataegus chlorosarca

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 9
Species With Barcodes: 1
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Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Crataegus chlorosarca

Crataegus chlorosarca is an Asian species of hawthorn with black fruit. Although recommended as an ornamental and hardy in cold climates, it is rarely cultivated.[2]

See also

References

  1. ^ Phipps, J.B.; Robertson, K.R.; Smith, P.G.; Rohrer, J.R. (1990). A checklist of the subfamily Maloideae (Rosaceae). Canadian Journal of Botany. 68(10): 2209–2269.
  2. ^ Phipps, J.B., O’Kennon, R.J., Lance, R.W. (2003). Hawthorns and medlars. Royal Horticultural Society, Cambridge, U.K.
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