Solanum americanum

光果龍葵

naturalized

Solanum americanum Miller

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

Miller, The Gardeners Dictionary no. 5. 1768. (Gard. Dict. (ed. 8))

台灣首次記錄發表文獻

Zhang et al., Flora of China Family 17: 317. 1996. (Fl. China)

異名

Solanum photeinocarpum Nakamura & Odashima

Nakamura & Odashima, Journal of the Society of Tropical Agriculture 8: 54. fig. 2 A-D. 1936. (J. Soc. Trop. Agr.)
Solanum alatum auct. non Moench

Masam., A list of vascular plants of Taiwan 101. 1954. (List Vasc. Taiwan)

各語言俗名

日

てるみのほおずき.
客

Nèu è cò. Ngiù er tsó.

參考文獻

Wu, Yang, Teng, Chang, Yang and Hsieh, Taiwania 55(2): 155. 2010.
Hui-Chun Hsu, Plant use knowledge of Hakka ethnobotany in Beipu township, Hsinchu county. Master thesis. National Pingtung University of Science and Technology . 2007. (Plant use knowledge of Hakka ethnobotany in Beipu township, Hsinchu county.)
Hsiao-Ting Wu, Plant use knowledge of Hakka ethnobotany in Dahu Township, Miaoli county. Master thesis. National Pingtung University of Science and Technology . 2007. (Plant use knowledge of Hakka ethnobotany in Dahu Township, Miaoli county.)
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)

特徵描述

生活型

herb

形態特徵

Annual herbs or short-lived perennials, glabrate or puberulent with simple hairs; stems green or purple, 0.25–1 m tall.
Leaves ovate, 4–8 cm long, 2–4 cm wide, membranaceous, apex acute, base truncate to cuneate, entire or sparingly dentate, glabrate or sparsely pubescent on both sides; petiole 1–2 cm long.
Inflorescences extra-axillary, subumbellate, 3–6(-l0)-flowered; peduncle 1–2.5 cm long; pedicel 5–10 mm long. Calyx 1.5–2 mm across, lobed to near middle, lobes ovate, pubescent outside, ciliate; corolla white, sometimes with a yellow eye, 3–5 mm long, lobed to middle or more, lobes ovate-oblong, 3–4 mm long, pubescent outside, ciliate; filaments short, puberulent, anthers 1–1.5 mm long; ovary glabrous, style mostly pubescent.
Berry shiny black, occasionally ripening green, globose, 5–8 mm across; fruiting pedicel erect or nodding; fruiting calyx strongly reflexed; seeds discoid, 1.5–2 mm across.
In some countries the leaves are used as a vegetable. <li>This species was long mistaken for <i>Solanum nigrum</i>, but its small anthers, shiny, erect fruit and reflexed fruiting calyx distinguish it from that species.</li>

物候

Flowering and fruiting throughout the year.

分布

台灣 : in waste places, roadsides, fields (100–2,000 m).
世界 : Perhaps native of South America, widespread in all tropical and temperate regions.

引證標本

TAIPEI: Nankang, Wang 746; Tanshui, Peng 4506. ILAN: Tungao, Fenniaolin, Peng 15122. HSINCHU: Hengshan, Peng 13654. MIAOLI: Tonghsiao, Kao 5702. TAICHUNG: Taichung City, Yen 9372. NANTOU: Tungpu to Kuankao, Peng 8052; Keitou, Murata & Nishimura 39046. CHIAYI: Tungshi, Peng 6215; Auku, Liao 1691. TAINAN: Hsiaomeichin, Chen 20; Chiku, Wang & Yang 7972. KAOHSIUNG: Takangshan, D'Arcy 19269. PINGTUNG: Oluanpi, Lammers 8490. HUALIEN: Taroko Natl. Park, Peng 17037; Lienhuachih, Lu 23186.