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Listera cordata
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Heart-leaved Twayblade
( Listera cordata )
Listera cordata
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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About Heart-leaved Twayblade (Listera cordata)
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Neottia cordata, lesser twayblade or heartleaf twayblade is an orchid of upland bogs and mires that rarely exceeds 15 cm in height. It was formerly placed in the genus Listera, but molecular phylogenetic studies have shown that Neottia nidus-avis, the Bird's-nest Orchid, evolved within the same group. It is never very common but may be frequently overlooked because of its small size and a tendency to grow underneath heather on sphagnum moss. The single erect flower-stem is often tinged red and is clasped near the base by a pair or ovate-orbicular glossy green leaves. The small flowers which look deceptively simple in structure for an orchid, are purple-green in colour with a somewhat swollen calyx. It has a circumpolar distribution being found in Europe, Asia, Greenland and large parts of North America. In the United Kingdom its distribution is western and northern becoming most common in the western highlands and is also found in Snowdonia and the Lake District. (Codes)
Plant Description
Plant Type
Perennial herb
Size
5.9 in tall
Flower Color
Red
Landscaping Information
Natural Setting
Climate
Annual Precipitation: 52.1" - 131.3", Summer Precipitation: 0.84" - 4.79", Coldest Month: 39.2" - 45.4", Hottest Month: 60.7" - 69.5", Humidity: 0.26" - 17.46", Elevation: 73" - 4191"
Alternative Names
Common Names
: Heartleaf Twayblade
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Heart-leaved Twayblade
Listera cordata
Sources include:
Wikipedia
. All text shown in the "About" section of these pages is available under the
Creative Commons Attribution-ShareAlike License
. Plant observation data provided by the participants of the
California Consortia of Herbaria
, Sunset information provided by
Jepson Flora Project
. Propogation from seed information provided by the
Santa Barbara Botanical Garden
from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include
CalPhotos
,
Wikimedia Commons
, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include
Calflora
,
CNPS Manual of Vegetation Online
,
Jepson Flora Project
,
Las Pilitas
,
Theodore Payne
,
Tree of Life
,
The Xerces Society
, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from
PRISM Climate Group, Oregon State University
, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.
Links:
Jepson eFlora Taxon Page
CalPhotos
Wikipedia
Calflora
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