Nothocalais troximoides (A. Gray) Greene
false-agoseris (weevil prairie-dandelion)
Asteraceae (Aster family)

Introduction to Vascular Plants

Photograph

© Jamie Fenneman     (Photo ID #16370)


Map

E-Flora BC Static Map

Distribution of Nothocalais troximoides
Click here to view the full interactive map and legend

Species Information

General:
Perennial herb from a thick woody base and taproot; stems erect, solitary to several, simple, glabrous or white long-hairy above, exuding milky juice when broken, 5-30 cm tall.
Leaves:
Basal leaves linear to linear-lanceolate, rarely over 1 cm wide, mostly 20-50 times as long as wide, rather stiff, pointed, the margins entire or distinctly wavy-margined, usually minutely fringed with small hairs; stem leaves usually lacking.
Flowers:
Heads with strap-shaped flowers, solitary at ends of branches; involucres bell-shaped to hemispheric, 14-30 mm tall; involucral bracts broadly or narrowly lanceolate, pointed, glabrous, or fringed with small hairs and white long-hairy along the midrib, usually dotted or lined with purple on the midrib, the outer bracts more than 3/4 as long as the inner ones; ray flowers yellow.
Fruits:
Achenes cylindric, pale brown, 8-13 mm; pappus silvery, somewhat unequal, each gradually widening upwards to a short terminal bristle, the scalelike portion about 0.5 mm wide near the base.

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 Nothocalais troximoides

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)
736 440 1320
Slope Gradient (%)
26 4 73

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

124 23 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 1 4
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
22
Modal BEC Zone Class
PP

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

BG(8), IDF(3), PP(10)

Habitat and Range

Dry grasslands and shrublands in the steppe zone; frequent in extreme SC BC; S to MT, UT, NV and CA.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Microseris troximoides A. Gray
Scorzonella troximoides (A. Gray) Jeps.