Kingdom:
Phylum:
Angiosperms
Order:
Boraginales
Genus:
Species:
tweedyi
ID:
368821

Status:
valid

Authors:
Rydb.

Source:
ksu

Year:
1900

Citation Micro:
Mem. New York Bot. Gard. 1: 336 (1900)

WFO Identifier:
wfo-0000368153



Common Names

  • Mertensia tweedyi
  • Tweedy's Mertensia
  • Tweedy's Oysterleaf


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Synonyms

  • Cerinthodes alpina Kuntze [unknown]
  • Mertensia obtusiloba Rydb. [unknown]
  • Pulmonaria alpina Torr. [unknown]
  • Mertensia brevistyla obtusiloba A.Nelson in J.M.Coult. & A.Nelson [unknown]

Description

Mertensia tweedyi (also called Tweedy's bluebells, among many other common names) is a perennial herb native to North America. It has a basal rosette of leaves with a single stem that can reach up to 1 m in height. Its flowers are blue-violet and bloom in spring and summer. It can be found in woodlands, meadows and in disturbed soils.

Uses & Benefits

Mertensia tweedyi is used as an ornamental plant, and it is also used as a medicinal plant for treating fever.

Flower, Seeds and Seedlings

Mertensia tweedyi has small, blue flowers, and its seeds are small, round, and black. The seedlings have a single pair of leaves.

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Cultivation and Propagation

Mertensia tweedyi is a perennial plant that can be propagated by seed or division. It prefers moist, well-drained soil and full sun to partial shade. It is tolerant of a wide range of soil types and can be grown in USDA hardiness zones 3-7.

Where to Find Mertensia tweedyi

Mertensia tweedyi is native to the Mediterranean region.

Mertensia tweedyi FAQ

What are the growing requirements of Mertensia tweedyi?

Mertensia tweedyi prefers full sun to partial shade and moist, well-drained soil.

What is the optimal temperature for Mertensia tweedyi?

Mertensia tweedyi prefers temperatures between 15-25°C.

What is the ideal soil pH for Mertensia tweedyi?

Mertensia tweedyi prefers a soil pH of 6.0-7.5.

Species in the Mertensia genus

Mertensia stylosa, Mertensia tweedyi, Mertensia oreophila, Mertensia ovata, Mertensia maritima, Mertensia rivularis, Mertensia serrulata, Mertensia pratensis, Mertensia pterocarpa, Mertensia coronata, Mertensia sinica, Mertensia franciscana, Mertensia davurica, Mertensia kamczatica, Mertensia virginica, Mertensia platyphylla, Mertensia subcordata, Mertensia umbratilis, Mertensia arizonica, Mertensia bakeri, Mertensia bella, Mertensia brevistyla, Mertensia campanulata, Mertensia ciliata, Mertensia cusickii, Mertensia humilis, Mertensia lanceolata, Mertensia longiflora, Mertensia macdougalii, Mertensia viridis, Mertensia pallasii, Mertensia sibirica, Mertensia simplicissima, Mertensia meyeriana, Mertensia lineariloba, Mertensia cynoglossoides, Mertensia brachyloba, Mertensia lateriflora, Mertensia brachycalyx, Mertensia nivalis, Mertensia fendleri, Mertensia nevadensis, Mertensia cana, Mertensia eastwoodiae, Mertensia mexicana, Mertensia dahurica, Mertensia serrulata, Mertensia grahamii, Mertensia longipedunculata, Mertensia parvifolia,

Species in the Boraginaceae family

Actinocarya acaulis, Actinocarya tibetica, Adelocaryum coelestinum, Adelocaryum flexuosum, Adelocaryum malabaricum, Adelocaryum nebulicola, Adelocaryum lambertianum, Aegonychon purpurocaeruleum, Aegonychon zollingeri, Aegonychon purpurea-coeruleum, Aegonychon calabricum, Aegonychon calabrum, Afrotysonia africana, Afrotysonia glochidiata, Afrotysonia pilosicaulis, Alkanna amana, Alkanna angustifolia, Alkanna areolata, Alkanna attilae, Alkanna aucheriana, Alkanna auranitica, Alkanna bracteosa, Alkanna caliensis, Alkanna cappadocica, Alkanna confusa, Alkanna corcyrensis, Alkanna cordifolia, Alkanna dumanii, Alkanna frigida, Alkanna froedinii, Alkanna galilaea, Alkanna graeca, Alkanna haussknechtii, Alkanna hellenica, Alkanna hirsutissima, Alkanna hispida, Alkanna incana, Alkanna intercedens, Alkanna jordanovii, Alkanna kotschyana, Alkanna leiocarpa, Alkanna leptophylla, Alkanna lutea, Alkanna macrophylla, Alkanna macrosiphon, Alkanna maleolens, Alkanna megacarpa, Alkanna methanaea, Alkanna milliana, Alkanna mughlae,