Barbarea taiwaniana Ohwi

The illustration and description of Barbarea taiwaniana in FRPS represent plants of B. orthoceras.

Herbs perennial, (6-)10-20(-35) cm tall. Caudex apically branched or simple in younger plants, often with petiolar remains or previous years. Stems erect or rarely decumbent when many branched from base, angled, glabrous throughout. Basal and lowermost cauline leaves petiolate; petiole (2-)3-7(-10) cm, ciliate at least basally, grooved adaxially; leaf blade (2-)3-5(-9) cm, pinnatisect, with (3-)5-8(-10) lobes on each side of midvein, somewhat fleshy; lateral lobes oblong or ovate, (2-)5-10(-15) × (1-)3-6(-10) mm, entire or obtusely lobed; terminal lobe about as large as lateral ones. Cauline leaves pinnatisect, with (4-)6-10(-12) lateral lobes, petiolate, reduced in size and sessile upward, conspicuously auriculate; auricles ovate or oblong, to 12 × 5 mm, ciliate, base rounded, entire or rarely tooth-ed; lateral lobes linear, narrowly oblanceolate, oblong, or rarely ovate, to 15 × 5 mm, glabrous, entire or usually lobed or obtusely toothed on proximal margin; terminal lobe mostly 3-lobed. Racemes ebracteate, slightly elongated in fruit. Sepals yellowish, usually tinged purple at middle, oblong, 3-4 × 1-1.5 mm, erect, margin scarious, lateral pair slightly saccate. Petals yellow, oblanceolate, rounded, 5-7 × 2-2.5 mm, attenuate to base. Filaments yellow, 3-4 mm; anthers oblong, ca. 1 mm. Fruiting pedicels erect-ascending, 3-6(-10) mm, angled to subterete, glabrous. Fruit linear, (1-)1.5-2.5 cm × (1.5-)2-2.5 mm, compressed, somewhat torulose, somewhat appressed to rachis; gynophore 0.2-0.5 mm; valves apex obtuse or retuse; style stout or slender, 0.5-2 mm. Seeds yellowish brown, broadly ovate or suborbicular, 1.5-2 × ca. 1 mm, uniseriate or subbiseriate, somewhat compressed, often winged all around, wing to 0.2 mm wide. Fl. Jun-Jul, fr. Aug-Sep.

Taiwan.

* Above timberline in rock crevices, under Abies, sunny rocky areas; 3200-4000 m.

Barbarea taiwaniana là một loài thực vật có hoa trong họ Cải. Loài này được Ohwi mô tả khoa học đầu tiên năm 1934.

台湾山芥（学名：Barbarea taiwaniana）为十字花科山芥属下的一个种。是台湾特有种植物之一，学名Barbareae taiwaniana，属十字花科。在高山的岩石旁广有分布。为多年生草本，叶对生，长椭圆形。花序无苞片，雌雄同株，花瓣黄色，四片，向外展呈十字形，雄蕊为四强雄蕊，果实为角果。