Lappula sinaica (A. DC.) Aschers. & Schweinf.

Sinai (St.Katherine).

Sinai, Palestine, Turkey, northern Iraq, Iran, Afghanistan, Pakistan, central asia

Fairly distinct from our other species on account of the nutlets with an indistinct margin and surface which is minutely tuberculate-verrucose.

An erect usually sparsely branched annual up to 40 cm tall. Stem and branches covered with appressed to subappressed hairs. Basal leaves spathulate to ± oblanceolate, petiolate, including petiole 12-40 x 4-12 mm, covered on both surfaces with sub-appressed hairs. Upper leaves sessile. Pedicels very short to obsolete, 3-8 mm and ± recurved in fruit. Calyx lobes c. 1.5 mm long, hairy. Corolla blue or deeply so, with a white or yellow eye; tube 2.5-3 mm long. Nutlets c. 2 mm ovoid, minutely verrucate-tuberculate; margin ± indistinct, sometimes with few glochidiate appendages. Style slender, exceeding nutlets.

Herbs annual. Stems erect or ascending, frequently branched from base, 15-40 cm tall, gray strigose or hispid, hairs white, tuberclelike at base. Basal leaves petiolate, oblong to oblong-lanceolate, 1.5-5 × 0.5-1.5 cm, sparsely short hispid, base attenuate, margin entire, apex obtuse; stem leaves sessile, shorter, narrower. Inflorescences elongated in fruit, usually 1- or 2-bracted. Fruiting pedicel erect, stout, 2-3 mm. Calyx lobes erect, oblong to linear, 1.5-2.5 mm, short hispid, hairs discoid at base, not enlarged in fruit, shorter than nutlets, subtending base of fruit. Corolla light blue, campanulate, ca. 3 mm; limb 2.5-3 mm wide. Gynobase surpassing nutlets by ca. 1 mm. Nutlets 2.5-3.5 mm; disc narrowly oblong, densely granulose, margin prominent becoming a narrow rib, with a single sparse row of extremely short glochids or sometimes finely tuberculate; lateral surfaces tuberculate.

Distribution: Sinai, Iraq, Iran, Caucasus, Afghanistan, Soviet C. Asia, Pakistan.

Fl. Per.: April-May.

Fields, waste places. Xinjiang [Afghanistan, NW India, Kazakhstan, Kyrgyzstan, Pakistan, Russia, Tajikistan, Turkmenistan, Uzbekistan; NE Africa, SW Asia].

Echinospermum sinaicum de Candolle in A. de Candolle, Prodr. 10: 141. 1846; E. divaricatum Bunge, E. kotschyii Boissier.

Lappula sinaica là loài thực vật có hoa trong họ Mồ hôi. Loài này được (DC.) Asch. & Schweinf. mô tả khoa học đầu tiên năm 1887.

短萼鹤虱（学名：Lappula sinaica）是紫草科鹤虱属的植物。分布于阿富汗、俄罗斯、伊朗、巴基斯坦、埃及、伊拉克、印度以及中国大陆的新疆等地，生长于海拔700米至1,500米的地区，多生长在田野和荒地，目前尚未由人工引种栽培。