Difference between revisions of "Exacum"

Latest revision as of 12:30, 1 October 2009

Plant Characteristics
Origin:	✈	?

Cultivation

Exposure:	☼	?"?" is not in the list (sun, part-sun, shade, unknown) of allowed values for the "Exposure" property.
Water:	◍	?"?" is not in the list (wet, moist, moderate, dry, less when dormant) of allowed values for the "Water" property.

Scientific Names

Read about Exacum in the Standard Cyclopedia of Horticulture
Exacum (classical name, of no significance to these plants). Gentianaceae. Herbs treated either as annuals or biennials or perennials, with flowers of white, lilac, blue or dark purplish blue, cultivated in a very few greenhouses. Very rarely suffruticose: dwarf or tall and paniculate-branching: lvs. sessile, clasping or short-stalked, ovate or lanceolate, mostly 3-5-nerved : fls. small or attaining 2 in. across, rotate, pedicelled or not, in forking cymes; calyx 4-5-parted, the segms. keeled, winged or flat and 3-nerved; corolla-lobes 4 or 5, ovate or oblong, twisted; stamens 4 or 5, attached to the throat, with very short filaments, the anthers opening by apical pores that finally enlarge nearly to the base: fr. a globose 2-valved caps.—Species about 30, in Trop. and Subtrop. Asia. Malaysia, Trop. Afr., Socotra. Plants of E. affine flower in summer. If specimens in 5-inch pots are desired, sow in March of the same year; for larger specimens, sow in August of the preceding year. The plants must be kept in a cool but not draughty greenhouse or frame in summer, and shaded from fierce sunlight. They usually are given warmhouse conditions. ^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 It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article.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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