Plant Database

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Plant Characteristics

Duration: Perennial
Habit: Subshrub , Shrub
Fruit Type: Caryopsis
Size Notes: To about 6 feet in height, often shorter.
Leaf: "Leaves usually cauline, relatively even-sized; petiole absent or indistinct; blade narrowly oblong to narrowly elliptic-lanceolate proximally to lanceolate to elliptic-lanceolate or elliptic distally, 15-60(-75) x 20 mm, margins entire or shallowly serrate, plane or revolute, apex obtuse to rounded, surfaces glabrous or abaxial sparsely to densely hairy, hairs branched, adaxial usually without unbranched hairs." (Webref: 38).
Flower: Flowers 2(-4) per node, chasmogamous. Calyces not inflated in fruit, 18-30 mm, glabrous or minutely hirtellous and/or minutely stipitate-glandular, tube slightly dilated distally, lobes subequal to unequal, apex acute, ribs green, intercostal areas light green. Corollas yellow-orange to orange, not spotted or striped, palate ridges yellow to golden yellow or orange, tube-throat 25-30 mm, limb 20-30 mm diam., bilabiate to nearly rotate, lobes oblong, apex of adaxial 2 each shallowly, asymmetrically incised. Anthers exserted (at throat), glabrous. Styles sparsely glandular. Stigmas exserted, lobes equal. (Webref: 38).
Fruit: Capsules 18-31 mm. (Webref: 38).

Bloom Information

Bloom Color: Orange , Yellow
Bloom Time: Mar , Apr , May , Jun , Jul , Aug

Distribution

USA: CA , OR

Benefit

Conspicuous Flowers: yes

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Santa Barbara Botanic Garden - Santa Barbara, CA
United States Botanic Garden - Washington, DC
Native Seed Network - Corvallis, OR

Bibliography

Bibref 995 - Native Landscaping from El Paso to L.A. (2000) Wasowski, S. and A. Wasowski

Search More Titles in Bibliography

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Diplacus ×australis in USDA Plants
FNA: Find Diplacus ×australis in the Flora of North America (if available)
Google: Search Google for Diplacus ×australis