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4 days ago · Overview. Seagrasses are a paraphyletic group of marine angiosperms which evolved in parallel three to four times from land plants back to the sea. The following characteristics can be used to define a seagrass species. It lives in an estuarine or in the marine environment, and nowhere else.
4 days ago · They are low growing plants, whose flower stems remain underground, that bear relatively large white, yellow, orange or purple flowers and then become dormant after flowering. Many are cultivated for their flowers, appearing in autumn, winter, or spring. The flowers close at night and in overcast weather conditions.
May 17, 2024 · The lily family, Liliaceae, consists of about 15 genera and 610 species of flowering plants within the order Liliales. [2] They are monocotyledonous, perennial, herbaceous, often bulbous geophytes. Plants in this family have evolved with a fair amount of morphological diversity despite genetic similarity. Common characteristics include large ...
May 2, 2024 · Marattiidae. Psilotopsida. fern, (class Polypodiopsida), class of nonflowering, herbaceous vascular plants that possess true roots, stems, and complex leaves and that reproduce by spores. The number of known extant fern species is about 10,500, but estimates have ranged as high as 15,000, the number varying because certain groups are as yet ...
May 15, 2024 · 47 of the recorded vascular plant species live as epiphytes. Some of the most characteristic are evergreen, succulent, vines and creepers in the Asclepiadaceae , such as: Dischidia major (has two kinds of leaves, i.e. normal and bladder-like ones which have a symbiotic relationship with ants)
May 9, 2024 · Asparagales ( asparagoid lilies) is an order of plants in modern classification systems such as the Angiosperm Phylogeny Group (APG) and the Angiosperm Phylogeny Web. The order takes its name from the type family Asparagaceae and is placed in the monocots amongst the lilioid monocots. The order has only recently been recognized in ...
May 8, 2024 · leaf, in botany, any usually flattened green outgrowth from the stem of a vascular plant. As the primary sites of photosynthesis, leaves manufacture food for plants, which in turn ultimately nourish and sustain all land animals. Botanically, leaves are an integral part of the stem system. They are attached by a continuous vascular system to the ...
