松潘鹅耳枥

松潘鹅耳枥
来自植物智的图片

中文学名:松潘鹅耳枥拉丁学名:Carpinus polyneura Franch. var. sunpanensis (Hsia) P.C .Li 界:植物界门:被子植物门纲:双子叶植物纲亚纲:金缕梅亚纲目:壳斗目科:桦木科属:鹅耳枥属种:松潘鹅耳枥

松潘鹅耳枥(sōng pān é ěr lì)，学名：Carpinus polyneura var. sunpanensis W. Y. Hsia，异名：Carpinus polyneura var. sungpanensis ，为桦木科鹅耳枥属下的一个变种。属于乔木，长有卵形的叶片。分布于中国南方，主要在四川。 ^[1]

松潘鹅耳枥形态特征

乔木，高约10米。叶卵形，长4-5厘米，宽2-2.5厘米，顶端渐尖，基部多为圆形或微心形，侧脉12-15对。小坚果无毛。

Carpinus polyneura Franchet var. sungpanensis (W. Y. Hsia) P. C. Li.

Trees to 10 m tall; bark gray. Branchlets light brown, densely villous when young. Petiole 0.7-1.5 cm, slender, pubescent; leaf blade ovate or ovate-elliptic, 4-5 × 2-2.2 cm, abaxially villous along veins, adaxially glabrescent, base rounded, rarely subcordate, margin regularly and doubly setiform serrate, apex acuminate; lateral veins 12-15 on each side of midvein.

Female inflorescence 4-6 × 1-3 cm; peduncle 2-2.5 cm, sparsely villous; bracts semiovate, 1-1.8 cm × 5-8 mm, glabrous, outer margin irregularly dentate-serrate, without basal lobe, inner margin entire or remotely minutely serrate distally, with small, inflexed basal auricle, apex acute; veins 4 or 5.

Nutlet broadly ovoid, ca. 4 × 3 mm, glabrous except villous at apex, ribbed. Fl. Jun-Jul, fr. Jul-Sep.

分类文献

Carpinus polyneura Franch. var. sunpanensis (Hsia) P. C. Li, stat. nov. Carpinus sunpanensis Hsia,北研丛刊2: 180图14. 1934；胡先骕, 中国森林树木图志2: 130.图版48. 1948.