Showy Phlox, Phlox speciosa

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Phlox speciosa is a species of phlox known by the common name showy phlox. It is native to western North America from British Columbia to Arizona and New Mexico, where it occurs in sagebrush, pine woodlands, and mountain forests. It is an erect perennial herb with a shrubby base growing up to about 40 centimeters tall. The leaves are linear or lance-shaped, oppositely arranged, and generally glandular. The inflorescence bears one or more white to pink flowers with elongated tubular throats each up to about 1. 5 centimeters long. The corolla has five double-lobed, notched, or heart-shaped lobes. There are several subspecies, most being limited to certain sections of the plant's overall distribution. Phlox speciosa has an erect stem. Leaves are between 1-5 cm and lance-linear. Terminal inflorescence with leaf like bracts below; pedicel 3-20 mm and slender. The calyx is 7-10 mm, membrane not keeled; corolla bright pink to white, tube 10-15 mm, lobes obcordate to deeply 2-lobed; stamens short, anthers in corolla tube; style 0. 4-2 mm, stigmas > style. Rocky, wooded slopes, sagebrush scrub; 500-2400 m. Several subspecies named, study needed. Flowers Apr- Jun. Occurrences in Oregon. Phlox speciosa is a widely distributed plant which occurs at many Serpentine sites throughout the western United States. In southern Oregon specifically, P. speciosa has been known to co-occur with Darlingtonia californica the Eight Dollar Mountain Botanical Wayside, managed by the BLM (Medford District. ) Additionally, this plant is known to occur in the Deer Creek Center near Selma, Oregon.

Plant Description

Plant Type

Perennial herb

Size

1.3 ft tall

Flower Color

Pink, White

Wildlife Supported

Butterflies & moths hosted ( 6 likely * ) SHOW ALL

Corn Earworm Moth Helicoverpa zeaHelicoverpa zea

Purple-Lined Sallow Pyrrhia exprimensPyrrhia exprimens

Olive Arches Lacinipolia olivaceaLacinipolia olivacea

Hitched Arches Melanchra adjunctaMelanchra adjuncta

Euxoa extraneaEuxoa extranea

Euxoa infaustaEuxoa infausta

Landscaping Information

Sun

Part Shade

Natural Setting

Site Type

Rocky, wooded slopes

Climate

Annual Precipitation: 9.9" - 110.4", Summer Precipitation: 0.43" - 3.21", Coldest Month: 29.2" - 49.9", Hottest Month: 47.3" - 76.3", Humidity: 0.48" - 26.55", Elevation: 348" - 8910"

Alternative Names

Botanical Names: Phlox speciosa ssp. occidentalis
Common Names: Western Showy Phlox

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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

Showy Phlox

Phlox speciosa

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Showy PhloxPhlox speciosa

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Showy Phlox

Phlox speciosa