Sorbus sect. Tianshanicae

(Komarov ex T. T. Yu) McAllister

Gen. Sorbus, 237. 2005.

Basionym: Sorbus ser. Tianshanicae Komarov ex T. T. Yu Acta Phytotax. Sin. 8: 222. 1963
Treatment appears in FNA Volume 9. Treatment on page 443. Mentioned on page 437.

Winter buds ovoid to conic, dull, often glaucous, not glutinous, sparsely or densely hairy, hairs primarily rufous. Leaflets not papillose abaxially [exceptionally papillose], ± glaucous adaxially. Flowers: perianth and androecium semiepigynous. Pomes pinkish red, glaucous [or not]; sepals persistent; carpels distinct most of length, apex convex.

Distribution

w North America, Asia

Discussion

Species 3 (1 in the flora).

Selected References

None.

Lower Taxa

... more about "Sorbus sect. Tianshanicae"
Peter F. Zika +  and Stéphane M. Bailleul +
(Komarov ex T. T. Yu) McAllister +
gray +  and brown or bronze +
compound +  and simple +
opposite +  and alternate +
not +  and clawed +
Sorbus ser. +
ovate +  and oblong +
5 cm50 mm <br />0.05 m <br /> (33 cm330 mm <br />0.33 m <br />) +
? (?) +  and ? (?) +
not glutinous +
hairy +  and glaucous +
adnate +, connate +, or +  and distinct +
odd +  and simple +
divided +  and lobed +
tanniferous +
w North America +  and Asia +
not +  and aggregated +
single-layered +
0.5 cm5 mm <br />0.005 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
rancid +, unpleasant +  and strong +
unisexual +  and bisexual +
not +  and aggregated +
not +  and aggregated +
yellow +, brown +, red +  and orange +
glabrous +, hairy +  and glaucous +
0.4 cm4 mm <br />0.004 m <br /> (1.9 cm19 mm <br />0.019 m <br />) +
green +  and red +
hairy +  and glabrous +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
crassinucellate +
deciduous +
alternate +  and opposite +
papillose +
oblong +  and lanceolate or oblanceolate +
pinnate +, sharply serrate +  and nearly entire +
toothed +, unlobed +  and lobed +
inferior +  and superior +
biseriate +  and clustered +
collateral +  and basal +
3 +  and 2 +
hairy +, glaucous +  and glabrous +
rounded +  and flat-topped +
0 (?) +  and 4 (?) +
Pink (?) +  and White (?) +
free +  and distinct +
2 +  and 5 +
adnate +, free +, connate +  and distinct +
pinkish red +
Gen. Sorbus, +
not arillate +
flattened;ovoid;lanceoloid +
persistent +
free +  and distinct +
incurved +, ascending +  and erect +
triangular +  and ovate +
free +  and distinct +
branched +  and simple +
ascending +  and erect +
1 +  and 8 +
persistent +  and deciduous +
short-adnate +  and free +
persistent +
distinct +
basal +, lateral +, subterminal +  and terminal +
elongate +
glaucous +, hairy +  and glabrous +
Sorbus sect. Tianshanicae +
Sorbus subg. Sorbus +
section +
inconspicuous +
hairy +  and glabrous +
tree +  and shrub +