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The seedlings sense light through the light receptors phytochrome (red and far-red light) and cryptochrome (blue light). Mutations in these photo receptors and their signal transduction components lead to seedling development that is at odds with light conditions, for example seedlings that show photomorphogenesis when grown in the dark..
A combination of characteristics is usually required to identify the plant. Identification of a non-flowering, non-fruiting plant with bare leaves may be difficult. Although some species of Trillium have petioles (leaf stalks) and/or distinctive leaf shapes, these features are seldom sufficient to identify the plant down to the species level.
Senecio vulgaris is a frost-resistant [6] deciduous annual plant that grows in disturbed sites, waste places, roadsides, gardens, nurseries, orchards, vineyards, landscaped areas, agricultural lands, [19] at altitudes up to 1,600 feet (500 m) [6] and is, additionally, self-pollinating [19] producing 1,700 seeds per plant with three generations ...
Being one of the more visible features, leaf shape is commonly used for plant identification. Similar terms are used for other plant parts, such as petals, tepals, and bracts. Oddly pinnate, pinnatifid leaves (Coriandrum sativum, coriander or cilantro) Partial chlorosis revealing palmate venation in simple leaves of Hibiscus mutabilis
This list of Nepenthes species is a comprehensive listing of all known species of the carnivorous plant genus Nepenthes. It includes 179 recognised extant species, 2 incompletely diagnosed taxa, and 3 nothospecies. Three possible extinct species are also covered.
Vicia sativa, known as the common vetch, garden vetch, tare or simply vetch, is a nitrogen-fixing leguminous plant in the family Fabaceae.It is now naturalised throughout the world occurring on every continent, except Antarctica and the Arctic. [3]