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Sticky Chinese Houses
Collinsia tinctoria

About Sticky Chinese Houses (Collinsia tinctoria) Collinsia tinctoria is a species of flowering plant in the plantain family known by the common names sticky Chinese houses and tincture plant. It is endemic to California, where it grows in the woodlands and forests of the mountain ranges of the central and northern regions of the state. It is an annual herb producing a sturdy erect stem up to about 60 centimeters tall. The oppositely arranged leaves are triangular lance-shaped, sometimes toothed, and hairy on the undersides. The flower cluster is a series of widely spaced dense whorls of flowers, each whorl a crowded ring of flowers held on erect pedicels. The flower has five elongated sepals with rounded tips, the corolla angling sharply down from the mouth of the calyx. The corolla may be any of several colors from white to yellow to deep lavender and may be mottled or speckled and tinted in the throat. The flower cluster and some flower parts are hairy and hairy.
Plant Description
Plant Type
Annual herb

Max. Height
0.7 - 2 ft (0.21 - 0.6 m)

Flower Color
Cream, Red, Pink, White

Native Status

Natural Setting
Site Type
Rocky places

Shade, Part Shade

Elevation ?
26' - 10009'

Annual Precip. ?
12.3" - 85.5"

Summer Precip. ?
0.22" - 3.39"

Coldest Month ?
26.2° F - 50.7° F

Hottest Month ?
46.8° F - 77.9° F

Humidity ?
0.83 vpd - 26.55 vpd

Sunset Zones ?
1, 2, 7*, 14*, 15*, 16*, 17*, 19, 20, 21, 22, 23, 24

Landscaping Information
Ease of Care
Moderately Easy

Water Requirement ?
Very Low
Extremely Low
Very Low
Moderate - High

Common uses
Bee Gardens

Nursery Availability
Rarely Available

Other Names
Common Names
Tincture Plant

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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