Johann Georg Gmelin

Stellera is a genus of flowering plant in the family Thymelaeaceae, with a single species Stellera chamaejasme found in mountainous regions of Central Asia, China, Korea, Siberia and South Asia. S. chamaejasme is a herbaceous perennial plant with heads of white, pink or yellow flowers, grown as an ornamental plant in rock gardens and alpine houses, but considered a weed playing a role in the desertification of grasslands in parts of its native range. Like many others of its family, it is a poisonous plant with medicinal and other useful properties.

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Ephedra monosperma, also called Ephedra minima or dan zi ma huang (in Chinese), is small shrub in the family of Ephedraceae. It is distributed from China to Siberia and found growing in rocky slopes or dry places. Its ephedrine extract has been used in traditional medicine in China and Japan, but is banned in USA since 1994 for causing various adverse effects.

Silene schafta, the Caucasian campion or autumn catchfly, is a species of flowering plant in the family Caryophyllaceae, native to western Asia. Growing to 25 cm (10 in) tall by 30 cm (12 in) wide, it is a mat-forming semi-evergreen perennial, with narrow leaves and clusters of bright pink, five-petalled flowers in late summer. The specific epithet schafta derives from a local Caspian name for this plant. Valued in the garden as easily grown groundcover for rock gardens, Silene schafta has gained the Royal Horticultural Society's Award of Garden Merit.

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