slimpod (Bonneville shootingstar; desert shootingstar; slimpod shootingstar)
Primulaceae
Introduction to Vascular Plants
Species Information
General:
Plants fibrous-rooted; roots whitish; bulblets absent.
Leaves:
Leaves lanceolate or oblanceolate to narrowly ovate, base gradually to abruptly tapering to the short, broadly winged petiole, entire, surfaces usually glandular-puberulent (at least along the margins) or rarely glabrescent, 3-13 (20) cm.
Flowers:
Inflorescences of 1-7 (10) flowers; involucral bracts lanceolate, glandular-puberulent, 3-10 mm. Flowers long-stalked; corolla tube and throat yellow, with a fine, wavy, reddish ring around the throat; corolla lobes pink (rarely white), 7-25 (35) mm; pollen sacs usually purplish-brown, sometimes yellowish or purple-spotted; calyces green, sometimes purple-speckled, usually glabrous (sometimes glandular), 5-12 mm; filaments usually distinct to their base (sometimes slightly connate), yellow or purplish-spotted to wholly dark purplish-brown; connective purplish-brown, usually with some yellow (at least apically), transversely rugose; stigma not enlarged relative to the style; pedicels glandular-puberulent, 1-5 cm. . Flowering Apr-Jun.
Fruits:
Capsules tan, cylindric, circumcissile, 8-12 mm.
Stems:
Scapes usually glandular-puberulent on the lower portion (rarely entirely glandular), 5-30 cm tall.
Source: The Vascular Flora of British Columbia, draft 2014.
Author: Jamie Fenneman
Ecology
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) |
1291 | 745 | 2563 |
| Slope
Gradient (%) |
21 | 0 | 88 |
|
Aspect (degrees) |
194 | 90 | 315 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
2 | 2 | 4 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
34 | ||
| Modal
BEC Zone Class |
PP | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
ESSF(11), IDF(1), IMA(1), MS(6), PP(13) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Moist seeps, grassy slopes, and meadows, usually in sagebrush communities or dry coniferous forests, in the steppe and montane (rarely subalpine) zones. Common in se BC (Rocky Mts., s Rocky Mtn. Trench); east to SK, south to CA, NV, WY.Source: The Vascular Flora of British Columbia, draft 2014.
Author: Jamie Fenneman
Synonyms
Synonyms and Alternate Names:
Dodecatheon conjugens var. viscidum (Piper) H. Mason ex H. St. John
Dodecatheon viscidum Piper
Taxonomic Keys
Key to Dodecatheon
1a. Corollas white or creamy-white.……………………………………………………………………..........2 2a. Leaves long-petiolate with a narrowly-winged petiole; leaf blade coarsely-toothed, ovate, cordate or abruptly rounded at the base; corollas and stamens persistent, withered and retained around the base of the capsule…..........................…..................D. dentatum 2b. Leaves subsessile to short-petiolate with a broadly winged petiole; leaf blade entire, oblong or oblanceolate to lanceolate, with a tapering (gradually or abruptly) base; corollas and stamens deciduous, not retained with the capsule…………………..……………………………………………[white-flowered variant of pink-flowered species] 1b. Corollas pink……………………………………………………………………………....3 3a. Stigmas greatly enlarged and knob-like………………………………….………………………………D. jeffreyi 3b. Stigmas not or barely knob-like, not strongly differentiated from the styles………………..........................................………..4 4a. Connective transversely rugose………………………………..…………...…………………………5 5a. Filaments usually yellow (sometimes flecked with purple or wholly purplish), usually separate to their bases, rarely slightly connate; leaf blades lanceolate to oblanceolate or narrowly ovate, usually more than 3 times as long as wide, base of blade tapering gradually to abruptly to the short, broadly winged petiole; plants of se BC……………..........................................D. conjugens 5b. Filaments deep reddish-purple, fully connate; leaf blades broadly ovate to slightly triangular, 1.5-2 times as long as wide, base abruptly tapered or rounded to distinct petiole; plants of extreme sw BC………………..………D. hendersonii 4b. Connective smooth or with longitudinal wrinkles……………..………………………………………………………….….6 6a. Filaments dark reddish-purple; leaves elliptic to oblong or ovate, blades usually less than 2 times as long as wide, base of blade tapering apruptly to distinct petiole; rhizomes usually horizontal, often slightly woody; plants of n BC…………..… ………………………D. frigidum 6b. Filaments yellow (rarely purplish); leaves oblong-lanceolate to oblanceolate, blades more than 3 times as long as wide, gradually tapering to the short, broadly-winged petiole; rhizomes short and vertical, not woody; plants of coastal and s BC………………………………..……………………………………D. pulchellum
Source: The Vascular Flora of British Columbia, draft 2014 |
Taxonomic Notes
Dodecatheon conjugens may potentially hybridize with D. pulchellum var. pulchellum based on occasional individuals with narrower leaves and slightly connate filaments. D. conjugens var. viscidum may be confused with the similarly glandular D. pulchellum var. cusickii, with which it often grows, and care is advised when attempting to distinguish these two taxa. Variety conjugens is best separated from var. cusickii by its transversely rugose connectives (vs. smooth or longitudinally wrinkled in var. cusickii), typically broader and rounder leaves, circumcissile (vs. 5-valvate) capsules, and the usually sparsely glandular-puberulent (vs. densely glandular-pubescent) leaves, pedicels, and scapes. The more southern D. conjugens var. conjugens, which is largely glabrous and lacks the extensive glandular puberulence of var. viscidum, has been attributed for B.C. by many authors, but these reports are apparently based on glabrescent examples of var. viscidum. The nominate variety occurs north to northern Washington, northern Idaho, and northwest Montana, and occasional reports from B.C. may be the result of introgression of the two subspecies in border areas.
Source: The Vascular Flora of British Columbia, draft 2014 |