Helonias umbellata

台灣胡麻花

endemic

Helonias umbellata (Baker) N. Tanaka

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

N. Tanaka, Journal of Japanese Botany 73(2): 108. 1998. (J. Jpn. Bot.)

台灣首次記錄發表文獻

同發表文獻

異名

Heloniopsis acutifolia Hayata

Hayata, Icones Plantarum Formosanarum 9: 144. fig. 53. 1920. (Icon. Pl. Formos.)
Heloniopsis umbellata Baker

Sasaki, List of plants of Formosa 106. 1928. (List Pl. Formos. (Sasaki))
Sugerokia acutifolia (Hayata) Koidz.

Koidz., Fl. Symb. Or-Asiat. 95. 1930.
Sugerokia umbellata (Baker) Koidz.

Koidz., Fl. Symb. Or-Asiat. 95. 1930.
Heloniopsis arisanensis Hayata ex Honda

Honda, Botany and Zoology; Theoretical and Applied 6(10): 1679. 1938. (Bot. & Zool.)
Sugerokia arisanensis (Hayata ex Honda) Koidz.

Koidz., Acta phytotaxonomica et geobotanica eng 8: 53. 1939. (Acta Phytotax. Geobot.)
Heloniopsis orientalis (Thunb.) C. Tanaka var. yakusimensis auct. non (Masam.) Ohwi

Masam., Enum. Tracheophyt. Ryukyu Insul. 9: 103. 1957. pro parte.
Heloniopsis taiwaniana S. S.Ying

S. S.Ying, Coloured illustrations of herbaceous plats of Taiwan 1: 222. fig. 108. 1980. (Col. Ill. Herb. Pl. Taiwan)

各語言俗名

中

銳葉胡麻花.

特徵描述

生活型

herb

形態特徵

Rhizome short.
Leaves usually oblanceolate or subspatulate, apex obtuse to acute with apiculus, base attenuate, to 13 cm long, to 2.2 cm wide, relatively thick textured. Peduncle ca. 3-15 cm tall at flowering (to ca. 30 cm long at fruiting). Inflorescence umbellate or subumbellate.
Flowers 2-20, funnelform, fragrant, pedicel 3-18 mm long; tepals oblanceolate, apex obtuse to subacute, sometimes slightly retuse, usually canaliculate below, with shallowly concave nectary at base, 6-12 mm long, 2.5-3.7 mm wide, 3-5-veined, white or pink, turning green after flowering. Stamens usually slightly longer than tepals, persistent; anthers ovate-oblong, apex confluent between thecae, base deeply 2-lobed, virtually 2-locular, 1-3 mm long, purplish; filaments 4-12 mm long, inserted on base of tepals. Pistil usually overtopping tepals and stamens; ovary globose, 3-lobed or trigonous, apex concave, base usually short stipitate; style terete, erect, 5-15 mm long; stigma discoid, sometimes slightly trigonous or 3-lobed, 1-2(-2.5) mm across.
Seeds numerous (55-115 per locule), linear-fusiform, 3.5-5 mm long, 0.3-0.4 mm wide.
2n=34.

物候

Flowering January to June.

花	1	2	3	4	5	6	7	8	9	10	11	12
果	1	2	3	4	5	6	7	8	9	10	11	12

分布

台灣 : Shady wet or moist rocks and banks, sometimes in mountain meadows, 500-2,500 m.

引證標本

TAIPEI: Yangmingshan to Mt.Chihsing, Shimizu 11117; Tatunshan, Sasaki s. n. 1932. ILAN: Taipingshan, Chuang & Kao 4088; Bonbon-zan (Pengpengshan), Hayata & Sasaki, s. n. 1917 (Type of Heloniopsis acutifolia Hayata, TI!). TAICHUNG: Lee-shan, Feung & Kao 4554. CHIAYI: Arisan, Faurie 942, 1914 (Type of Heloniopsis arisanensis Hayata ex Honda, TI!). TAITUNG: Sinsuiei (Chinshui), Sasaki s. n. 1925.