Cotoneaster sternianus

(Turrill) Boom

Jaarb. Ned. Dendrol. Ver. 20: 81. 1957.

Common names: Stern’s cotoneaster
Introduced
Basionyms: Cotoneaster franchetii var. sternianus Turrill Bot. Mag. 167: plate 130. 1950 (as sterniana)
Treatment appears in FNA Volume 9. Treatment on page 466. Mentioned on page 451.

Shrubs, 1.5–4 m. Stems erect, arching, stiff; branches distichous, maroon, whitish tomentose-pilose. Leaves persistent; petiole 4–6 mm, tomentose-pilose; blade elliptic to broadly ovate, (18–) 25–52 (–56) x (12–) 16–28 (–34) mm, coriaceous, base obtuse or cuneate, margins recurved, veins 4–6, deeply sunken, apex acute or acuminate, abaxial surfaces whitish tomentose, adaxial dark green, slightly shiny, not glaucous, on vigorous shoots usually bulging slightly between lateral-veins (unless shaded), very rugose, pilose. Inflorescences on fertile shoots 25–70 mm with 3–5 leaves, 7–20-flowered, compact. Pedicels 1–4 mm, tomentose-pilose. Flowers (5–) 6–7.5 mm, opening small; hypanthium cupulate, silky tomentose; sepals: margins villous, borders purple, glabrous, apex acute or acuminate, surfaces silky tomentose; petals erect-incurved, pink to red, base dark red (with minute black dots), margins erect-incurved, pink or white; stamens 20, filaments red, distally pink or whitish, anthers white, sutures pink-tinged; styles (2 or) 3 or 4 (or 5). Pomes bright orange, eventually orange-red, subglobose to depressed-globose or globose, 6–10 × 6–10 mm, base rounded, shiny, not glaucous, pilose; sepals flat, tomentose; forming 5-pointed star over closed navel; style remnants 3/4 from base. Pyrenes (2 or) 3 or 4 (or 5).


Phenology: Flowering Jun–Jul; fruiting Oct–Jan.
Habitat: Mossy cliffs, thickets, hedges, urban waste ground
Elevation: 0–200 m

Distribution

V9 786-distribution-map.jpg

Introduced; B.C., Asia (China), Asia (Myanmar), also in Europe, Pacific Islands (New Zealand)

Discussion

Cotoneaster sternianus is similar to C. franchetii, a species with more elongated pomes, uniformly pink or purple anthers, and less textured leaves.

Selected References

None.

Lower Taxa

None.

... more about "Cotoneaster sternianus"
pilose +  and not glaucous +
0.4 cm4 mm <br />0.004 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Jeanette Fryer +, Bertil Hylmö† +  and Peter F. Zika +
(Turrill) Boom +
compound +  and simple +
opposite +  and alternate +
pilose +  and not glaucous +
rounded +, cuneate +  and obtuse +
Cotoneaster franchetii var. sternianus +
15 cm150 mm <br />0.15 m <br /> (21 cm210 mm <br />0.21 m <br />) +
elliptic +  and broadly ovate +
0.4 cm4 mm <br />0.004 m <br /> (15 cm150 mm <br />0.15 m <br />) +
coriaceous +
whitish +  and maroon +
tomentose-pilose +
adnate +  and distinct +
strigose +  and tomentose +
Stern’s cotoneaster +
B.C. +, Asia (China) +, Asia (Myanmar) +, also in Europe +  and Pacific Islands (New Zealand) +
not +  and aggregated +
0–200 m +
whitish +, pink +  and red +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
hairy +  and glabrous +
unisexual +  and bisexual +
0.6 cm6 mm <br />0.006 m <br /> (0.75 cm7.5 mm <br />0.0075 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 />) +
Mossy cliffs, thickets, hedges, urban waste ground +
tomentose +  and silky +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
flattened +  and domed +
crassinucellate +
persistent +
pinnate +  and entire +
white +  and pink +
erect-incurved +  and recurved +
2 +  and 14 +
revolute +  and flat +
star +  and 5-pointed +
inferior +  and superior +
biseriate +  and clustered +
collateral +  and basal +
tomentose-pilose +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0 (?) +  and 4 (?) +
Pink (?) +  and Red (?) +
free +  and distinct +
erect-incurved +
1 +  and 5 +
tomentose-pilose +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Flowering Jun–Jul +  and fruiting Oct–Jan. +
adnate +, free +, connate +  and distinct +
orange-red +  and bright orange +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
subglobose +  and depressed-globose or globose +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Jaarb. Ned. Dendrol. Ver. +
trigonous +  and planoconvex +
not arillate +
persistent +
free +  and distinct +
erect +  and incurved +
triangular +
2.5 cm25 mm <br />0.025 m <br /> (7 cm70 mm <br />0.07 m <br />) +
tomentose +  and strigose +
Introduced +
free +  and distinct +
branched +  and simple +
arching +  and erect +
1 +  and 25 +
short-adnate +
inconspicuous +
lanceolate;linear +
deciduous +
distinct +
lateral +  and terminal +
elongate +
tomentose +  and silky +
pink-tinged +
Ostinia +
Cotoneaster sternianus +
Cotoneaster +
species +
inconspicuous +
4 +  and 6 +