Cotoneaster hjelmqvistii

Flinck & B. Hylmö

Watsonia 18: 312. 1991.

Common names: Hjelmqvist’s cotoneaster
Treatment appears in FNA Volume 9. Treatment on page 462. Mentioned on page 453.

Shrubs, 0.5–1 m. Stems ascending to erect, spreading horizontally, arching; branches usually distichous, brownish red, initially densely strigose. Leaves deciduous; petiole 2–4 mm, pilose; blade broadly elliptic, on vigorous shoots orbiculate, sometimes broadly obovate, concave, 10–18(–25) x 9–15(–25) mm, chartaceous, base obtuse, margins flat, veins 3 or 4(or 5), superficial or slightly sunken, apex obtuse, mucronulate, abaxial surfaces pale green, yellowish pilose-strigose, adaxial vivid light green, shiny, not glaucous, flat between lateral veins, glabrous; fall leaves red to intense red-purple. Inflorescences on fertile shoots 5–25 mm with 3 or 4 leaves, 1–3(or 4)-flowered, compact. Pedicels 0.5–2(–3) mm, glabrescent. Flowers 5–6 mm, open; hypanthium cupulate, glabrescent; sepals: margins villous, apex green and reddish purple, acuminate or acute, surfaces glabrous; petals erect-incurved, dark pink, base red, margins pink; stamens 10–12(–16), filaments red and pale crimson, anthers white; styles 2 or 3. Pomes orange-red, usually broadly obovoid, sometimes subglobose or obovoid, 5.7–6.8[–8] x 4.9–7.2[–8] mm, shiny, not glaucous, glabrous; sepals suberect, margins villous, glabrous; navel open; style remnants 4/5 from base. Pyrenes 2 or 3, distinct.

Phenology: Flowering May; fruiting Oct–Nov.
Habitat: Thickets, wet prairie remnants
Elevation: 0–200 m


V9 777-distribution-map.jpg

Introduced; Oreg., Asia (China), introduced also in Europe.


Cotoneaster hjelmqvistii was overlooked in the Flora of China (L. Lingdi and A. R. Brach 2003).

Selected References


Lower Taxa

... more about "Cotoneaster hjelmqvistii"
Jeanette Fryer +, Bertil Hylmö† +  and Peter F. Zika +
Flinck & B. Hylmö +
Hjelmqvist’s cotoneaster +
Oreg. +, Asia (China) +  and introduced also in Europe. +
0–200 m +
Thickets, wet prairie remnants +
Flowering May +  and fruiting Oct–Nov. +
Introduced +
Ostinia +
Cotoneaster hjelmqvistii +
Cotoneaster +
species +