(To the memory of Ann Daingerfield Zwicky, who was born Ann Walcutt Daingerfield on 5/9/1937. Her favorite flower was the Japanese iris and her least favorite holiday was (US) Mother’s Day, the second Sunday in May.)
Found almost everywhere in today’s walk with my helper Isaac around a few blocks south of my house: a pretty plant growing in clumps, with narrow leaves, and at the tips of stalks, modest yellow (occasionally white) iris-like (but flat) flowers, with three petals and three sepals:
(#1) The flower of the month
Some digging around got it identified as the (yellow) African iris, Dietes bicolor. An excellent plant.
From Wikipedia:
Dietes bicolor, the African iris, butterfly flag, fortnight lily, or peacock flower, is a clump-forming rhizomatous perennial plant with long sword-like evergreen pale green leaves, growing from multiple fans at the base of the clump. This species belongs to the iris family Iridaceae. It can form large clumps if left undisturbed for years. It is commonly cultivated in its native South Africa, where it is often used in public gardens, beautification of commercial premises and along roadsides. It is also cultivated in mild temperate zones elsewhere.
The blooms, appearing in spring and summer, are pale yellow with three dark purple spots, which may be so dark as to appear black
… Plants prefer dappled-shade to full sun where they will flower in profusion, though they will grow in shaded areas (with an accompanying loss of flower production). This species, as well as Dietes grandiflora, is very drought tolerant. [AZ: also deer-resistant]
There is a white variant:
(#1) Dietes bicolor in white
Delightful.
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