font settings and languages

Font Size: Large | Normal | Small
Font Face: Verdana | Geneva | Georgia
Languages:

Diapensia lapponica

(Lapland Diapensia)

Common Names

[ Back to top ]

Common Names in English:

Lapland Diapensia, Pincushion Plant

Description

[ Back to top ]

Family Diapensiaceae

Shrublets or perennial herbs, prostrate or decumbent , evergreen , mostly glabrous . Stipules absent. Leaves simple , spirally arranged or alternate, often crowded, subsessile or petiolate , pinnately veined. Flowers bisexual , actinomorphic , solitary or in a capitate raceme . Calyx 5-lobed, persistent ; lobes free , imbricate. Corolla basally connate , apically lobed , caducous ; lobes 5, spreading . Stamens 5[or 10], epipetalous , alternate with corolla lobes if 5; staminodes 5 if present, epipetalous, opposite corolla lobes, scalelike or spatulate ; anthers 1- or 2-celled, dehiscing by slits. Ovary superior, 3[or 5]-locular; ovules numerous , axile , anatropous or amphitropous . Style simple; stigma lobed, capitate, or disciform . Fruit a 3[or 5]-locular capsule, loculicidally dehiscing. Seeds many, small, cylindrical; endosperm copious ; embryo straight or slightly curved .

Six genera and ca. 15 species: Asia, Europe, North America; three genera (one endemic) and six species (three endemic) in China.[1]

Genus Diapensia

Shrublets , prostrate , compact , often forming a mat or cushion . Stems slender, many-branched. Leaves subsessile , often crowded, margin entire. Flowers solitary, subsessile or on a short scape. Calyx with 2 or 3 bracts at base . Corolla campanulate , 5-lobed to middle or more basally, caducous . Staminodes minute or absent. Ovary globose , 3-locular. Style erect , filiform ; stigma entire, capitate, or slightly 3-lobed. Capsule 3-locular, ellipsoid or globular, surrounded by persistent calyx; scape elongating in fruit.

Four species: Asia, N Europe, North America; three species (one endemic) in China.[2]

Physical Description

Habit: Subshrub , Shrub

Flowers: Bloom Period: April, May. • Flower Color: near white, white

Size/Age/Growth

Size: under 6" tall.

Habitat

Typically found at an altitude of 0 to 1,526 meters (0 to 5,007 feet).[3]

Biology

[ Back to top ]

Reproduction

Duration: Perennial

Growth

Culture: Space 3-6" apart.

Soil: Minimum pH: 5.1 • Maximum pH: 6.5

Sunlight: Sun Exposure: Partial to Full Shade.

Temperature: Cold Hardiness: 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b. (map)

Taxonomy

[ Back to top ]

Notes

Publishing author : HultƩn Publication : Fl. Alaska (Hulten) 736 1968 Publishing author: Nakai Publication: Nakai & Koidzumi, Trees & Shrubs Japan Proper, ed. 1 194 (1922) Name Status: Accepted Name . Latest taxonomic scrutiny: 15-Mar-2000

Place of publication: Sp. pl. 1:141. 1753

Name verified on 21-Mar-2000 by ARS Systematic Botanists.

Similar Species

[ Back to top ]

Members of the genus Diapensia

ZipcodeZoo has pages for 21 species, subspecies, varieties, forms, and cultivars in this genus:

D. acutifolia · D. americana · D. barbulata · D. bulleyana · D. cuneifolia · D. helvetica · D. himalaica · D. japonica · D. lapponica (Lapland Diapensia) · D. lapponica obovata · D. lapponica var. lapponica (Pincushion Plant) · D. lapponica var. obovata (Pincushion Plant) · D. lapponicum · D. obovata · D. obovata var. obovata · D. obtusifolia · D. purpurea · D. purpurea f. albida · D. purpurea f. bulleyana · D. purpurea f. rosea · D. wardii

More Info

[ Back to top ]

Further Reading

[ Back to top ]

Notes

[ Back to top ]

Contributors

Data Sources

Accessed through GBIF Data Portal December 02, 2007:

Identifiers

Footnotes

  1. Haining Qin & Bruce Bartholomew "Diapensiaceae". in Flora of China Vol. 14 Page 235. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
  2. "Diapensia". in Flora of China Vol. 14 Page 235. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
  3. Mean = 591.410 meters (1,940.322 feet), Standard Deviation = 401.560 based on 1,369 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
Last Revised: 7/1/2009