Cistanche deserticola (scientific name: Cistanche deserticola Ma), alias Xinjiang, Cistanche, Chagan ya (Mongolian), is endangered species. Tall herbs, 40-160 cm high, mostly underground. Flowering period from May to June, fruiting period from June to August.
Cistanche is a parasitic plant that is parasitic on the roots of the Haloxylon ammodendron in the desert, extracting nutrients and water from the host of the Haloxylon ammodendron. Known as the "desert ginseng", it has a very high medicinal value and is a traditional Chinese herbal medicine. In the past, Cistanche deserticola has been regarded as a treasure of the tribute court by the countries of the Western Regions. It is also one of the most frequently used tonic drugs in the prescriptions of kidney and aphrodisiac.
Tall herbs, 40-160 cm high, mostly underground. The stems are not branched or 2-4 branches from the base, and the lower diameter can reach 5-10(-15) cm, which is tapered upwards and has a diameter of 2-5 cm. Leaves broadly ovate or triangular-ovate, 0.5-1.5 cm long, 1-2 cm wide, densely inserted into the lower part of the stem, sparsely narrowed and narrowed, lanceolate or narrowly lanceolate, long 2- 4 cm, 0.5-1 cm wide, no hair on both sides. Inflorescences spikelike, ca. 15–50 cm, ca. 4–7 cm. Inflorescences lower or entire. Longly long, long as long as corolla or slightly longer, ovate-lanceolate, lanceolate or linearly lanceolate. , with small bracts and corolla lobes pubescent or subglabrous outside; valvate 2-locate, ovate-lanceolate or lanceolate, as long as or longer than calyx.
Calyx campanulate, 1-1.5 cm long, apically 5-lobed, lobes suborbicular, 2.5-4 mm long, 3-5 mm wide. Corolla tuberculate, 3-4 cm long, apically 5-lobed, lobes sub-circular, 4-6 mm long, 0.6-1 cm wide, often marginally rim, color variate, yellowish white or lavender It usually turns brown after drying. 4 stamens, filaments born at 5-6 mm from base of tube, 1.5-2.5 cm long, basally pubescent and pubescent, anthers long ovate, 3.5-4.5 mm long, densely villous, base Tips.
The ovary is elliptic, ca. 1 cm long, with a nectary at the base. The style is slightly longer than the stamen, glabrous, and the stigma subglobose. Capsule ovoid, 1.5-2.7 cm long, 1.3-1.4 cm in diam., often with persistent stigma, 2-valved. Seeds elliptic or subovate, ca. 0.6-1 mm long, reticulate, shiny. Flowering period from May to June, fruiting period from June to August.