生活型

herb

形態特徵

• A perennial herb. Stem annual, erect, glabrous.
• Leaves sessile, green or blue green, linear-oblanceolate, 40–92 mm long, 6–18 mm wide, obtuse or retuse at apex, attenuate at base, entire at margin, glabrous on both surfaces.
• Cyathia in terminal compoumd pleiochasia; primary bracteal leaves 5, 8, or 9, blue green, elliptic or oblanceolate, 30–60 mm long, 10–20 mm wide, obtuse or retuse at apex, rounded at base; secondary bracteal leaves 2 or 3, blue green or yellow green at base, oblanceolate or elliptic, 20–30 mm long, 10–15 mm wide, obtuse, rounded or retuse at apex, rounded or obtuse at base; tertiary bracteal leaves 2, yellow green, ovate to obovate, 10–18 mm long, 9–12 mm wide, rounded or retuse at apex, rounded at base; involucre campanulate or turbinate, 2–4.3 mm long, glabrous abaxially, woolly adaxially at the portions under glands, stalks 2.4–7.8 mm long, the lobes semi-circular to semi-elliptic, truncate to rounded at apex, velutinous at margin; glands 4 or 5, yellow, transversely elliptic, adaxial half much larger than abaxial half, both adaxial and abaxial half ascending, 1.5–2 mm long; bracteoles oblanceolate, fringed. Male flowers 10–15, anthers yellow. Female flowers with glabrous or apically hairy, densely verrucose ovary, styles and stigmas 1–2 mm long.
• Capsules 4.4–5 mm long, 5.3–6.3 mm in diam., glabrous or hairy at top, densely verrucose. Seeds blackish, subglobose, 2.2–2.5 mm long, 2–2.3 mm in diam., smooth; caruncle depressed-conical, broadly obovate.

分布

• 台灣 : Primarily grow among rocks in northern coastal areas.
• 世界 : Korea, Japan and the Ryukyus.

引證標本

TAIPEI: Wanli, Hsieh & Tang 825; Fulung to Tashianglan, Wang 889.KEELUNG: Hopingtao, Lin et al. 692. MIAOLI: Yuanli, Chin s. n. 1977. TAINAN: Tainan, Kawakami & Shimada s. n. 1909. TAITUNG: Taitung, Kobayashi s. n. 1907.

參考文獻

• HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 3: 463. .  (Fl. Taiwan 2nd edit.)