Commelina erecta angustifolia
This plant is possibly no more than a narrow-leafed form of the highly variable Commelina erecta[
]. Whilst some botanists recognise it as a variety of C. Erecta, the Flora of North America does not accept varietal difference and merges it into the species[
Commelina angustifolia Michx.
Common Name: Whitemouth Dayflower
Whitemouth dayflower is an erect or decumbent perennial plant with slender stems arising from a cluster of fleshy-fibrous roots[
]. It can range in height from 40 - 120 cm tall[
The plant is occasionally harvested from the wild for its edible root, and is often grown as an ornamental in gardens[
Southern N. America south through Mexico, Guatemala and Honduras.
Rocky woods and hillsides, scrub oak woods, pine woods and barrens, sand dunes, hummocks, shale barrens, roadsides, railroad rights-of-way, fields, occasionally a weed in cultivated ground[
]. Found at elevations of 850 metres or lower in Guatemala[
|Cultivation Status||Ornamental, Wild
Plants can succeed in a wide range of climatic conditions ranging from tropical to temperate[
Prefers a light well-drained loam with added leafmold[
Tubers - cooked. Rich in starch[
], but with a fairly bland flavour.
Salve. The mucilaginous sap is used to ease skin irritations[
Seed - sow March in a greenhouse. The seed usually germinates in 4 - 5 weeks at 20°c[
]. When they are large enough to handle, prick the seedlings out into individual pots plant them out in late spring or early summer, after the last expected frosts.
Division in early spring. Make sure that each portion has at least one growing bud[
Cuttings during the growing season. Very easy[
If you have any useful information about this plant, please leave a comment. Comments have to be approved before they are shown here.