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A plant which completes its life cycle (i.e. germinates, reproduces, and dies) within two years or growing seasons. Biennial plants usually form a basal rosette of leaves in the first year and then flower and fruit in the second year. bifid Forked; cut in two for about half its length. Compare trifid. bifoliate
Vinca difformis in habitat, Cáceres, Spain. Vinca plants are subshrubs or herbaceous, and have slender trailing stems 1–2 m (3 + 1 ⁄ 2 – 6 + 1 ⁄ 2 ft) long but not growing more than 20–70 cm (8– 27 + 1 ⁄ 2 in) above ground; the stems frequently take root where they touch the ground, enabling the plant to spread widely.
Control of the plant, when desired, is best managed via mechanical means, such as hand pulling and hoeing, preferably followed by sowing of native plants. Animals rarely graze it because of its irritating hairs, and liquid herbicides require surfactants to be effective, as the hair causes water to roll off the plant, much like the lotus effect.
On Plants (Greek: Περὶ φυτῶν; Latin: De plantis) is a botanical treatise included in the Corpus Aristotelicum but usually regarded as Pseudo-Aristotle. [1] In 1923, a manuscript containing the original Arabic translation from Greek, as done by Ishaq ibn Hunayn, was discovered in Istanbul, which led scholars to conclude the work was likely an exegesis/commentary by philosopher ...
Adonis amurensis, commonly known as Amur adonis [1] and pheasant's eye, is a perennial plant with a golden yellow flower belonging to the Ranunculales order, and native to China (Heilongjiang, Jilin, Liaoning), Japan (Hokkaido), Korea, and Russian Far East (Primorye, Amur, Sakhalin). The Japanese name Fukujusō means fortune-longevity-plant.
Bougainvillea, Behbahan.Many of the small white flowers, in various stages of development, may be seen among the larger bracts. Bougainvillea (/ ˌ b uː ɡ ən ˈ v ɪ l i. ə / BOO-gən-VIL-ee-ə, US also / ˌ b oʊ-/ BOH-) is a genus of thorny ornamental vines, bushes, and trees belonging to the four o' clock family, Nyctaginaceae.
Plants are grouped into floras based on region (floristic regions), period, special environment, or climate. Regions can be distinct habitats like mountain vs. flatland. Floras can mean plant life of a historic era as in fossil flora. Lastly, floras may be subdivided by special environments: Native flora. The native and indigenous flora of an area.
A list of Pteridophyta, Gymnospermae and Angiospermae including all the native plants and established aliens known to occur in Ireland with the distribution of each species, and recommended Irish and English names. pp. [i]-xxvii, 1-171, map. Dublin: Stationery Office. Reynolds, S.C.P. (2002). A catalogue of alien plants in Ireland. pp. [4], 1 ...