(n.) An herb of the genus Pulmonaria (P. officinalis), of Europe; -- so called because the spotted appearance of the leaves resembles that of a diseased lung.
(n.) Any plant of the genus Mertensia (esp. M. Virginica and M. Sibirica) plants nearly related to Pulmonaria. The American lungwort is Mertensia Virginica, Virginia cowslip.
Example Sentences:
Spiderwort
Definition:
(n.) An American endogenous plant (Tradescantia Virginica), with long linear leaves and ephemeral blue flowers. The name is sometimes extended to other species of the same genus.
Example Sentences:
(1) Cells from immature stamen hairs of the spiderwort plant Tradescantia virginiana cv.
(2) The normally predictable duration of metaphase in stamen hair cells from the spiderwort, Tradescantia virginiana, is shortened significantly by treatment during prometaphase with either ruthenium red or Bay K-8644.
(3) Stamen hair cells from the spiderwort plant, Tradescantia virginiana, exhibit remarkably predictable metaphase transit times, making them uniquely suitable for temporal studies on mitotic regulation.
(4) We have treated stamen hair cells of the spiderwort plant, Tradescantia virginiana, with a solution of quin2 (50 microM) or its acetoxymethyl ester, quin2-AM (50 microM) and have retarded the normally predictable rate of progression through metaphase.