Rhinanthus minor L.
yellow rattle (little yellowrattle)
Orobanchaceae (Broom-rape family)
(Previously in Scrophulariaceae)
Introduction to Vascular Plants
yellow rattle (little yellowrattle)
Orobanchaceae (Broom-rape family)
(Previously in Scrophulariaceae)
Introduction to Vascular Plants
SUBTAXA PRESENT IN BC
Species Information
General:
Annual herb; stems erect, 10-80 cm tall, simple or few-branched, somewhat 4-angled, nearly smooth to thinly soft-hairy at the nodes and in lines down opposite 2 of the 4 sides.
Leaves:
Opposite, unstalked, lanceolate to oblong, 1-5 cm long, prominently toothed, rough appressedhairy.
Flowers:
Inflorescence a leafy-bracted, terminal, spike-like cluster of several to many, nearly unstalked flowers; corollas yellow, tubular, 10-15 mm long, 2-lipped, the upper lip hood-like and usually with a pair of short, broad, often purplish teeth near the tip, the lower lip 3-lobed; calyces membranous, 7-10 mm long in flower, to 12-17 mm and much inflated in fruit, like a flattened net-veined balloon, 4-toothed, the teeth fine-hairy; stamens 4, the anthers hairy.
Fruits:
Capsules, nearly globe-shaped, flattened, 8-15 mm long, enveloped by the calyx-balloon; seeds several, large, 3-6 mm in diameter, flat, narrow-winged.
Notes:
A murky species complex but it appears that in BC only 1 entity is present.
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.
Illustration Source: The Illustrated Flora of British Columbia
Ecology
Ecological Framework for Rhinanthus minor
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)
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) |
1231 | 60 | 2073 |
| Slope
Gradient (%) |
27 | 0 | 230 |
|
Aspect (degrees) |
185 | 0 | 350 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
3 | 0 | 8 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
185 | ||
| Modal
BEC Zone Class |
IDF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
BG(12), BWBS(7), CWH(2), ESSF(41), ICH(8), IDF(61), MS(20), PP(1), SBPS(2), SBS(21), SWB(5) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Mesic to moist meadows, fields, pastures, roadsides and clearings in the lowland, steppe and montane zones; frequent in BC south of 56ºN, rare northward and on the Queen Charlotte Islands; circumboreal, N to AK, YT and NT, E to Labr. and NF and S to NH, VT, ND, NM, AZ and OR; Greenland, Eurasia.Synonyms
Synonyms and Alternate Names:
Rhinanthus borealis subsp. kyrolliae
Rhinanthus crista-galli
Rhinanthus stenophyllus