Parnassia

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Standard Cyclopedia of Horticulture

Parnassia (after Mt. Parnassus). Saxifragaceae. Grass Of Parnassus. Low-growing moisture-loving hardy perennial herbs of tufted habit, sometimes transferred to gardens. Glabrous, from short rootstocks, mostly with scape- like sts.: lvs. simple and entire, mostly radical (or basal) and petiolate, 1 on the st. sessile and mostly small: fls. usually 1, white or yellow; calyx 5-parted; petals 5; withering, but deciduous; fertile stamens 5, alternating with the petals; staminodia present or represented by glands; ovary 1-celled; style very short or none; stigmas usually 4; ovules many: caps. 1-celled, with 4 placenta; projecting within. 4-valved (sometimes 3-valved).—In wet or moist places in temperate and subarctic regions in the northern hemisphere, about 25 species. They are suitable for shady positions along the water's edge, and are prop, by seeds or division. They commonly grow about 6 in. high, but attain 2 ft. They bloom from June to Sept.; the petals are conspicuously veined with green lines. The plant which Dioscorides called "grass of Parnassus" is P. palustris, the only species common in Eu. This is perhaps the best one for cult., but they are all much alike in horticultural value. Parnassias prefer a peaty soil, but such is not necessary. The species are usually tenacious of life and are good perennials. The N. Carolinian species are hardy N. P. nubicola, Wall. The largest and coarsest of all the species, and lacks the delicate beauty and white petals of P. palustris: lvs. elliptic-ovate; scape-lf. borne below the middle: petals shorter than in the other kinds as compared with calyx-lobes; rudimentary filaments 3, not topped by anthers. Himalayas. B.M. 6609. Wilhelm Miller. L. H. B. CH The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.

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References

• Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963

External links

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