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Round-headed Chinese-houses
Collinsia corymbosa
  


About Round-headed Chinese-houses (Collinsia corymbosa) Collinsia corymbosa is a species of flowering plant in the plantain family known by the common name round-headed Chinese houses. It is endemic to the coastline of California north of the San Francisco Bay Area, where it is uncommon and scattered. Its habitat is the sand dunes of the immediate coastline. This is an annual herb producing a scaly, hairy, red to reddish green stem which grows upright or decumbent to a maximum length of about 25 centimeters. The thick, sparsely hairy leaves are rippled and lobed along the edges, which may be somewhat turned under. The inflorescence is a dense whorl of several distinctive flowers. Each has a hairy calyx of lobed reddish sepals and a corolla up to about 2 centimeters long. The flower has two small upper lobes and three longer lower lobes which come together in a nearly tubular shape. It is generally white with a light purple tint. The smaller upper lobes curl back and dry to brown at their lips.
Plant Description
Plant Type
Annual herb

Max. Height
1.9 - 9.8 in (4.8 - 24.9 cm)

Flower Color
Red

Native Status
Natural Setting
Elevation ?
7' - 395'

Annual Precip. ?
9.6" - 42.7"

Summer Precip. ?
0.24" - 1.04"

Coldest Month ?
45.6° F - 51.0° F

Hottest Month ?
57.6° F - 74.6° F

Humidity ?
0.19 vpd - 21.12 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Round-headed Chinese Houses, Roundhead Chinese Houses



Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora


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