Difference between revisions of "Crataegus schizophylla"

Revision as of 23:14, 16 December 2019

Shrubs, 20–40 dm. Stems: twigs: new growth flexuous, glabrous, 1-years old tan, older gray; thorns on twigs ± straight, 1-year old shiny black, 3–5 cm. Leaves: petiole 3–7 mm, length 12–15% blade, glabrous, eglandular; blade yellow-green, shiny, elliptic to narrowly ovate, 2.5–5 cm, coriaceous, base cuneate, lobes 0 or 1–3 per side, margins serrulate, venation craspedodromous, veins 4–6 per side, apex acute to obtuse, surfaces glabrous. Inflorescences 5–20-flowered; branches sparsely hairy; bracteoles not seen. Flowers 12–15 mm diam.; hypanthium glabrous; sepals 3–4 mm, margins ± entire, adaxially glabrous; stamens 10, anthers pink; styles 1–3. Pomes bright red, ± oblong-obovoid, 7–9 mm diam., glabrous; sepals patent-reflexed; pyrenes 1–3.

Phenology: Flowering May–Jun; fruiting Oct.
Habitat: Thickets and banks on sandy soil
Elevation: 10–20 m

Mass.

Discussion

Of conservation concern.

Crataegus schizophylla is known from Martha’s Vineyard, Duke County. The extension-shoot leaves are larger, relatively wider, with acute lobes. Except for its distinctive leaf form, unique in this series, it closely resembles C. crus-galli.

Selected References

None.

Lower Taxa