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FOC | Family List | FOC Vol. 16 | Boraginaceae | Lappula

5. Lappula deserticola C. J. Wang, Bull. Bot. Res., Harbin. 1(4): 81. 1981.

沙生鹤虱 sha sheng he shi

Herbs annual, densely cespitose, becoming depressed globose, 4-10 cm in diam. Stems usually several, cespitose, much branched at middle and above, 3-7 cm tall, densely spreading white hispid. Basal leaves forming a rosette; leaf blade spatulate, 1-1.3 cm including petiole, densely spreading hirsute, hairs discoid at base; stem leaves linear, 1-1.5 cm × ca. 2.5 mm, flexed along midvein, rarely flat, densely spreading white hirsute, base attenuate, apex acute. Inflorescences terminal, to 1.5-3 cm in fruit; bracts oblong, 3-5 mm. Fruiting pedicel erect, 1-1.5 mm. Calyx lobes erect, linear-oblong, ca. 1.5 mm, to 2-2.5 mm in fruit, 1/2-2/3 shorter than fruit, spreading white hirsute. Corolla light blue, campanulate, ca. 2.5 mm; throat appendages trapeziform, ca. 0.2 mm; limb 1-1.5 mm wide; lobes oblong. Gynobase not surpassing nutlets. Fruit subglobose, ca. 3 mm in diam.; nutlets triangular-ovoid, 2.5-3 mm; adaxially shiny, coherent to gynobase along 1/2 rib; disc narrow, sparsely granulose, margin thickened, forming a riblike wing; wing involute, usually covering apex of disc, with 4 or 5 marginal glochids along each side; glochids widened at base but not contiguous, basal pair 1.5-2 mm, gradually reduced toward apex of nutlet, smooth. Fl. and fr. May-Jun.

* Deserts. Gansu (W Hexi Corridor), Nei Mongol (Alxa Youqi).


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