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FOC | Family List | FOC Vol. 4 | Fagaceae | Cyclobalanopsis

8. Cyclobalanopsis tiaoloshanica (Chun & W. C. Ko) Y. C. Hsu & H. W. Jen, Acta Bot. Yunnan. 1(1): 148. 1979.

吊罗山青冈 diao luo shan qing gang

Quercus tiaoloshanica Chun & W. C. Ko in Chun & F. C. How, Acta Phytotax. Sin. 7: 42. 1958.

Trees to 12 m tall. First-year branchlets minutely angular, with light brown woolly floss; 2nd-year branchlets indistinctly lenticellate. Leaves crowded apically on branchlets; petiole 6-8 mm, pale brown woolly when young; leaf blade oblong to obovate-elliptic, 4-10 × 1.2-3 cm, leathery, concolorous, abaxially light brown floccose-tomentose when young, base cuneate, margin entire or apically 2-5-crenate, apex acute; midvein adaxially flat; secondary veins 5-7 on each side of midvein; tertiary veins inconspicuous. Female inflorescences 5-15 mm; cupules 2 or 3. Cupule cupular, ca. 1.2 cm in diam., enclosing ca. 1/3 of nut, outside grayish brown pubescent, inside brown villous, wall ca. 1 mm thick; bracts in 6 or 7 rings, margin of basal ones denticulate, apical 2 or 3 ones narrow and with margin entire. Nut ovoid-ellipsoid to ellipsoid, 2-2.2 × 1.4-1.6 cm, puberulent, glabrescent but apically remaining puberulent with age; scar 6-9 mm in diam., flat or impressed; stylopodium persistent, slightly raised. Fl. Jan-Feb, fr. Oct-Dec.

* Broad-leaved evergreen forests in mountains; 900-1400 m. Hainan (Diaoluo Shan)

Very close to Cyclobalanopsis hui.


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