Cotoneaster hjelmqvistii

Flinck & B. Hylmö

Watsonia 18: 312. 1991.

Common names: Hjelmqvist’s cotoneaster
Introduced
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

Distribution

V9 777-distribution-map.jpg

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

Discussion

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

Selected References

None.

Lower Taxa

None.
... more about "Cotoneaster hjelmqvistii"
yellowish +  and pale green +
red +  and intense red-purple +
glabrous +  and not glaucous +
0.4 cm4 mm <br />0.004 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
green and reddish purple +
Jeanette Fryer +, Bertil Hylmö† +  and Peter F. Zika +
Flinck & B. Hylmö +
compound +  and simple +
opposite +  and alternate +
1.8 cm18 mm <br />0.018 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
15 cm150 mm <br />0.15 m <br /> (21 cm210 mm <br />0.21 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
concave +  and obovate +
0.4 cm4 mm <br />0.004 m <br /> (15 cm150 mm <br />0.15 m <br />) +
? (?) +  and ? (?) +
9mm +  and 15mm +
brownish red +
adnate +  and distinct +
strigose +  and tomentose +
Hjelmqvist’s cotoneaster +
Oreg. +, Asia (China) +  and also in Europe +
not +  and aggregated +
0–200 m +
red and pale crimson +
hairy +  and glabrous +
unisexual +  and bisexual +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
not +  and aggregated +
not +  and aggregated +
1.4 cm14 mm <br />0.014 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
orange +  and red or purple +
0.4 cm4 mm <br />0.004 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
Thickets, wet prairie remnants +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
flattened +  and domed +
crassinucellate +
deciduous +
pinnate +  and entire +
glabrous +  and villous +
2 +  and 14 +
revolute +  and flat +
inferior +  and superior +
biseriate +  and clustered +
collateral +  and basal +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0 (?) +  and 4 (?) +
free +  and distinct +
erect-incurved +
1 +  and 5 +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Flowering May +  and fruiting Oct–Nov. +
adnate +, free +, connate +  and distinct +
0.72 cm7.2 mm <br />0.0072 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
orange-red +
glabrous +  and not glaucous +
obovoid +  and subglobose +
0.49 cm4.9 mm <br />0.0049 m <br /> (0.72 cm7.2 mm <br />0.0072 m <br />) +
trigonous +  and planoconvex +
not arillate +
persistent +
free +  and distinct +
triangular +
orbiculate +
0.5 cm5 mm <br />0.005 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
tomentose +  and strigose +
Introduced +
free +  and distinct +
branched +  and simple +
arching +, spreading +, ascending +  and erect +
1 +  and 25 +
short-adnate +
inconspicuous +
deciduous +
distinct +
lateral +  and terminal +
elongate +
Ostinia +
Cotoneaster hjelmqvistii +
Cotoneaster +
species +
inconspicuous +
superficial +
4 +  and 3 +