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Standard Cyclopedia of Horticulture

Physostegia (Greek, bladder and covering, referring to the inflated fruiting calyx). Labiatae. False Dragon-head. Hardy herbaceous perennials, native to America, with spikes of gaping flowers of purple, rose-color, or white; useful in borders and particularly in wild-gardens.

Smooth erect herbs with slender and wand-like sts.: lvs. opposite, sessile, mostly lanceolate or oblong and usually serrate or dentate: fls. showy, pink to purple and varying to white, in separate or panicled spikes; calyx bell-shaped, swollen and remaining open in fr., membranous, 10-nerved; teeth 5, equal; corolla 2-lipped, inflated above; upper lip concave, rounded, entire or nearly so; lower lip 3-lobed, the middle lobe commonly notched; stamens 4, didynamous; anther-cells parallel. A few species, N. Amer., mostly along stream banks and in wet grounds, but thriving under good upland garden conditions; sometimes named under Dracocephalum. P. austriaca of lists is probably Dracocephalum austriacum. 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 It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article.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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