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Buist ex Graham
Collinsia heterophylla (syn. C. bicolor) is a flowering plant native to California and Baja California. It is known as Purple Chinese Houses or Innocence. Like other species in the genus Collinsia, which also includes the blue-eyed Marys, it gets its name from its towers of inflorescences of decreasing diameter, which give the plants in full flower a certain resemblance to a pagoda.
Purple Chinese Houses is an annual plant growing in shady places, and can be found in most of California (other than desert regions) below about 1,000 metres (3,300 ft). It blooms from mid spring to early summer. The plant is 10–50 centimetres (4–20 in) tall.
Dried in air, the seeds weigh about 1 mg each.
The species was first described as Collinsia bicolor by George Bentham in 1835, but this name proved to be a later homonym of Collinsia bicolor Raf. (described in 1824), necessitating the name change to C. heterophylla. Despite this, the name C. bicolor is still sometimes used in references.
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