討論:朴樹
山羊百科，林文智老師的植物、山岳、攝影紀錄
1. 葉除基部3出脈外，無其餘側脈 4. C. philippensis
1. 葉除基部3或5出脈外，尚有側脈1-4對。
2. 葉先端銳尖至尾狀漸尖（當年生小枝近基部之2-3片葉除外）。
3. 葉僅中脈及側脈上具極稀疏之伏毛，基部明顯歪斜 2. C. formosana
3.葉具明顯伏毛，基部微或不歪斜 1. C. biondii
2.葉先端圓、鈍、銳尖、至稀漸尖。
4.葉下表面具短硬伏毛或近光滑；先端圓、鈍、銳尖、至漸尖 3. C. nervosa
4.葉下表面具長柔毛及紅褐色短毛；先端銳尖，稀漸尖 5. C. sinensis
5. Celtis sinensis Pers. 朴樹
Deciduous trees, up to 20 m tall; branchlets dark brown, velutinous and puberulous, glabrescent; bud scales brown, slightly brown puberulous, brown ciliate. Leaves chartaceous or coriaceous, asymmetrically or symmetrically broadly ovate, ovate to oblong-ovate, 4.5-12 cm long, 2.5-4 cm broad, puberulous or nearly glabrous on upper surface, velutinous and short rufous multicellular hairy on lower surface, apex acuminate, acute to obtuse, base oblique or slightly oblique to symmetrical, acute, obtuse, rounded or slightly cordate, margins serrate, rounded-serrate, serrulate, or sub-entire, lateral veins 3-5 pairs; petioles 5-10 mm long, puberulous. Flowers solitary, paired, or clustered; calyx 4-lobed, long-ovate, ca. 2 mm long, glabrous, ciliate; stamens 4, filamens ca. 2 mm long; ovary glabrous; pedicels 5-6 mm long, velutinous. Fruit solitary or paired, globose, 5-8 mm across.
China, Korea, Japan to the Ryukyus. Taiwan, along the coast, on plains and in thickets at low to medium elevations throughout, not no Hengchun Peninsula.
TAIPEI: Shihmen, Kao 3953; Neihu, Wang et al. 271. KEELUNG: Hopingtao, Chuang & Kao 5545. TAOYUAN: Chuwei, Kuo 10990. HSINCHU: Shienchiaoshih, Kao 10213; Kantin, Huang & Kao 3143. TAICHUNG: Chiayang, Lu 4823. KAOHSIUNG: Liukuei, Lin 2531.
8.朴樹 Celtis sinensis Pers.
與四蕊樸的主要區別點在於：朴樹的葉多為卵形或卵狀橢圓形，但不帶菱形，基部幾乎不偏斜或僅稍偏斜，先端尖至漸尖，但不為尾狀漸尖，時質地也不及前一亞種那樣厚；果也較小，一般直徑5—7毫米，很少有達8毫米的；落葉喬木。 花期3—4月，果期9—10月。
產山東(青島、嶗山)、河南、江蘇、安徽，浙江、福建、江西、湖南、湖北、四川、貴州、廣西、廣東、臺灣。多生於路旁、山坡、林緣，海拔100—1 500米。
8. Celtis sinensis Persoon 朴樹
Trees, to 20 m tall, deciduous. Bark gray. Branchlets brown, brown pubescent, sometimes glabrescent late in season. Winter buds dark brown, 1-3 mm, glabrous or inconspicuously puberulent. Stipules linear to lanceolate, 3-5 mm, pubescent, fugacious. Petiole brown, 3-10 mm, pubescent, adaxially with a broad and shallow furrow; leaf blade ovate to ovate-elliptic, 3-10 × 3.5-6 cm, thickly papery, abaxially usually inconspicuously yellowish brown puberulent when young, abaxially with hairs scattered on major veins and sometimes tufted in vein axils with age, base rounded, obtuse, or obliquely truncate, ± symmetric to moderately oblique, margin subentire to crenate on apical half, teeth 0-16 on each side, apex acute to shortly acuminate; secondary veins 3 or 4 on each side of midvein. Flowers fascicled in leaf axils and stem bases. Style branches linear, undivided. Infructescences unbranched, 1(-3) per leaf axil, rather stout, pubescent at least proximally, 4-10 mm; fruiting pedicel 1-1.5 × as long as subtending petiole. Drupe ± globose, 5-7(-8) mm in diam. Stone white, ± globose, reticulately foveolate, ribbed. Fl. Mar-Apr, fr. Sep-Oct.
Roadsides, slopes; 100-1500 m. Anhui, Fujian, Gansu, Guangdong, Guizhou, Henan, Jiangsu, Jiangxi, NE Shandong, Sichuan, Taiwan, Zhejiang [Japan].
