Vitex rotundifolia

海埔姜

Vitex rotundifolia L. f.

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

名彙資訊

學名發表文獻

L. f. 1781. Supplementum Plantarum 294. (Suppl. Pl.)

台灣首次記錄發表文獻

Kanehira. 1936. Formosan trees : indigenous to the island (revised) 653. (Formos. Trees rev. ed.)

異名與其在台灣首次使用的文獻

Vitex trifolia L.

Forbes & Hemsl. 1890. The journal of the Linnean Society of London. Botany 26: 258. (J. Linn. Soc., Bot.)
Vitex trifolia L. var. simplicifolia Cham.

Lu & Ou. 1994. Trees of Taiwan revised 678. (Tr. Taiwan rev. ed.)

各語言俗名

中

海埔姜、山埔姜、白埔姜、蔓荊子、蔓荊
台

Hái po kiun、Pèh po kiun、Bān keng chi
英

Simple-leaf chaste tree、Simple-leaf shrub chaste tree、Shrub chastetree
日

はまごう、はまほう、いぁまよ

參考文獻

Yang. 1982. A list of plants in Taiwan. (List Pl. Taiwan)
Liu. 1961. Illustrations of native and introduced ligneous plants of Taiwan. (Ill. Nat. Intr. Lign. Pl. Taiwan)

特徵描述

生活型

shrub

形態特徵

Shrubs, prostrate; stems creeping, rooting at nodes, densely pubescent when young, glabrescent, somewhat 4-angular.
Leaves mostly simple, obovate or oblong-elliptic, 2.7–4.5 cm long, 1.4–2.5 cm wide, apex rounded or obtuse, base acute or obtuse, sometimes rounded, margin entire, densely pubescent on both surfaces, green adaxially, gray abaxially; petiole 2–6 mm long.
Inflorescence terminal, thyrses. Flowers purplish blue; calyx cup-shaped, 3–4 mm long, shallowly 5-denticulate, tube very densely white pubescent outside, glabrous inside; corolla 5-lobed, 2-lipped, salverform, tube densely pubescent outside, villous on upper part inside, lobes densely pubescent outside, glabrous inside; stamens exserted, ca. 8. mm long, filaments densely villous on lower part; ovary globose, glabrous, style ca. 11 mm long, glabrous.
Fruit subglobose, ca. 5 mm across.

分布

台灣 : open sandy areas near the coast.
世界 : SE. Asia, Pacific islands, the Ryukyus, Japan, and China.

引證標本

ILAN: Lotung, T. Suzuki 3662; Touchen, C. E. DeVol 8121. KEELUNG: Keelung islet, Sasaki 1928; Pengchiayu, T. C. Huan et al. 15791. TAIPEI: Kungliao, Y. M. Hsu 0149; Pali, J. C. Wang 558. TAOYUAN: Hsinwu, T. T. Chen 7764. HSINCHU: Sanchiao, C. C. Wang 813; Nanliao, T. C. Huang & M. T. Kao 6932. CHANGHUA: Chiouyentien, Guo et al. 081. YUNLIN: Taishi, J. C. Wang 2549; Suhu, W. S. Tang 715. KAOHSIUNG: Chiching, K. C. Yang 1402; Chieting, K. C. Yang 2055a. PINGTUNG: Kengtin, K. C. Yang 275; Fengkang, S. C. Lee et al. s. n. in 1955. TAITUNG: Taimali, H. Keng 1398; Lutao, T. C. Huang & M. T. Huang 6932. PENGHU: Penghu islet, T. C. Huang & M. T. Kao 6823; Hsiyu, C. S. Kuo 1051.