松潘鵝耳櫪

松潘鵝耳櫪
來自植物智的圖片

中文學名:松潘鵝耳櫪拉丁學名:Carpinus polyneura Franch. var. sunpanensis (Hsia) P.C .Li 界:植物界門:被子植物門綱:雙子葉植物綱亞綱:金縷梅亞綱目:殼斗目科:樺木科屬:鵝耳櫪屬種:松潘鵝耳櫪

松潘鵝耳櫪(sōng pān é ěr lì)，學名：Carpinus polyneura var. sunpanensis W. Y. Hsia，異名：Carpinus polyneura var. sungpanensis ，為樺木科鵝耳櫪屬下的一個變種。屬於喬木，長有卵形的葉片。分布於中國南方，主要在四川。 ^[1]

松潘鵝耳櫪形態特徵

喬木，高約10米。葉卵形，長4-5厘米，寬2-2.5厘米，頂端漸尖，基部多為圓形或微心形，側脈12-15對。小堅果無毛。

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.

分類文獻

Carpinus polyneura Franch. var. sunpanensis (Hsia) P. C. Li, stat. nov. Carpinus sunpanensis Hsia,北研叢刊2: 180圖14. 1934；胡先驌, 中國森林樹木圖志2: 130.圖版48. 1948.