Difference between revisions of "Micranthes integrifolia"
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Revision as of 12:13, 7 May 2012
Contents
Micranthes integrifolia
Micranthes integrifolia, commonly known as whole-leaf saxifrage or swamp saxifrage is a perennial herb in the Saxifragaceae family.
Synonyms:
- Saxifraga integrifolia
Taxonomy
Kingdom: Plantae – Plants
Subkingdom: Tracheobionta – Vascular plants
Superdivision: Spermatophyta – Seed plants
Division: Magnoliophyta – Flowering plants
Class: Magnoliopsida – Dicotyledons
Subclass: Rosidae
Order: Rosales
Family: Saxifragaceae – Saxifrage family
Genus: Micranthjes – saxifrage
Species: Micranthes integrifolia Hook. – wholeleaf saxifrage
Description
A somewhat hairy perennial, the leafless flowering stems usually growing singly from a rhizome, reaching 10-30 cm in height. Leaves form a basal rosette with no cauline leaves. The blades are 2-5 cm long, narrowly rhombic to rhombic-ovate, narrowed gradually to short, broad petioles. Prominent marginal hairs line the leaves and are rusty-woolly on the lower surface.
The inflorescence is a short, compact panicle, subtended by a leafy, rusty-woolly bracts. The calyx is broadly conic, the 5 lobes oblong-lanceolate, 1-2 mm. long and reflexed. Individual flowers have 5 white, obovate petals, 1.5-3 mm. long, at least half as broad as long. Stamens number 10 and are short, awl-shaped.[1]
Bloom Period
Late March - July[1]
Distribution
West side of the Cascades, British Columbia to Lincoln County, Oregon, and in the Columbia River Gorge[1]
Habitat
Prairies, grassy slopes and vernally moist areas, sea level to subalpine[1]
Uses
used ornamentally in rock gardens
Propagation
Can be propagated by seed, division or cuttings. Seed should be planted in winter and barely covered. Germination takes place in 1 to 3 months at 16-21°C Division should be done after flowering. Cuttings in should be taken in late summer.[2]
Photo Gallery
photo by Ben Legler
photo by Ben Legler
photo by Shaun Hubbard
photo by Ben Legler
References
References & Notes
- ↑ 1.0 1.1 1.2 1.3 http://biology.burke.washington.edu/herbarium/imagecollection.php?Genus=Saxifraga&Species=integrifolia Burke Museum University of Washington
- ↑ http://www.kadel.cz/flora/e/kvCard.asp-Id=5519.htm Rock Garden Plant Database
Seed
Abbreviation: MIIN
Average Measurement: 0.8 x 0.4 x 0.3
Measurement Range: L: 0.6 – 0.8, W: 0.2 – 0.5, D: 0.2 – 0.4
Features
Shape: Seed narrowed at hilum and opposite apex, forming points. Middle between hilum and opposite apex rounded. Hilum is puckered.
Color: Seeds golden brown, and slightly darker at hilum.
Surface: Seeds bumpy and longitudinally ridged. Seeds are slightly lustrous.
Latitudinal Cross Section: elliptical 
Latitudinal Cross Section: elliptical 
