Aphyllon uniflorum
naked broomrape
Orobanchaceae (Broom-rape family)

Introduction to Vascular Plants

Photograph

© Bryan Kelly-McArthur     (Photo ID #74916)


Map

E-Flora BC Static Map

Distribution of Aphyllon uniflorum
Click here to view the full interactive map and legend

Species Information

General:
Parasitic herb from a coarse, tuber-like, fleshy root; stems single or clustered, usually smooth except finely glandular-hairy above, 5-15 cm tall.
Leaves:
Basal leaves lacking; stem leaves scaly-bracteate, alternate, lance shaped, smooth.
Flowers:
Inflorescence of single flowers, 1-3 per plant; corollas purplish, sometimes yellowish, 1.5-3.5 cm long, the lips similar to the other lobes, finely fringed, stalked, the leafless stalks 3-12 cm long; calyces 4-12 mm long, the unequal, narrow lobes fringed; anthers smooth or hairy.
Fruits:
Capsules; seeds numerous, angled, net-veined, less than 0.7 mm long.

SourceThe Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Ecology

Ecological Framework for Aphyllon uniflorum

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class

Avg

Min

Max

Elevation (metres)
857 31 1780
Slope Gradient (%)
36 0 80

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

216 50 340
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 0 5
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
17
Modal BEC Zone Class
ICH

All BEC Zones (# of stations/zone) species was recorded in

BG(1), CDF(2), CWH(2), ESSF(2), ICH(4), IDF(2), MS(3), PP(1)

Habitat and Range

Parasitic on Sedum, Saxifragaceae, Asteraceae and others; moist to dry meadows and forest openings in the lowland, steppe and montane zones; common on SE Vancouver Island and Gulf Islands, infrequent eastward in S BC; E to NF and S to FL, TX and CA.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Orobanche uniflora L.