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| 資料編號: | HK-4910 |
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| 中文名稱: | 蜂斗菜(標室沒收錄-境外攝) |
| 學名: | Petasites japonicus [找同屬植物] |
| 植物科名: (APG新系統) | ASTERACEAE菊科 [找同科植物] |
| 標室舊系統 | ASTERACEAE菊科[找同科] |
| 生長習性: | 多年生草本 |
| 圖片花色: | white |
| 資料更新: | 20240512 11:20:34 pm |
| 備註: 攝於北海道 & 日本長野縣 thanks Christine's info: 據聞龍貓頭頂那片葉就是它的一個變種 link FOC: Rhizomes creeping, with subterranean procumbent branches, with membranous ovate scales, and numerous fibrous roots. Stems 15-30 cm tall, basally 7-10 mm in diam., simple, densely or laxly shortly brown pubescent. Basal leaves long petiolate; blade adaxially green, orbicular or reniform-orbicular, 15-30 × 15-30 cm, papery, abaxially arachnoid, later glabrescent, adaxially crisped-pubescent when young, base cordate, margin finely toothed. Bracteal leaves oblong or ovate-oblong, 3-8 cm, parallel veined, apically obtuse. Male scapes with numerous capitula (20-30) crowded in a terminal corymb, homogamous; involucres tubular, ca. 6 × 7-8(-10) mm, base with lanceolate bracts; phyllaries biseriate, subequal, narrowly oblong, glabrous, apically obtuse; all florets tubular, functionally male; corolla white, 7-7.5 mm, tube ca. 4.5 mm; anthers basally obtuse; style clavately thickened with small ring below stigma, apex 2-fid. Female scape 15-20 cm tall, densely bracteate, often elongated after anthesis, ca. 70 cm tall, in dense corymbs, rarely branched; capitula homogamous; florets numerous, corolla filiform, ca. 6.5 mm, apex obliquely truncate; stigma distinctly exserted from corolla, capitate, 2-fid, papillose. Achenes cylindric, ca. 3.5 mm, glabrous. Pappus of many fine bristles, white, ca. 12 mm. Fl. Apr-May, fr. Jun. Streamsides, grasslands, thickets. 分佈: Anhui, Fujian, Henan, Hubei, Jiangsu, Jiangxi, Shaanxi, Shandong, Sichuan, Zhejiang [Japan, Korea, Russia (Far East)]. | |
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16-4910p
15-4910o
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