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An antique spurge plant, Euphorbia antiquorum, sending out white rhizomes. In botany and dendrology, a rhizome (/ ˈ r aɪ z oʊ m / RY-zohm) [note 1] is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. [3] Rhizomes develop from axillary buds and ...
Roots may be spread along the rhizome, clumped at the nodes, or clumped near the base of leafy shoots. The rhizome is the perennial part of the plant and growth is by branching of the rhizome. Flowering/fruiting shoots are attached to the rhizome by a discreet internode, are short-lived and wither at the end of the growing season. [6] Stems and ...
Reynoutria sachalinensis is a herbaceous perennial plant growing to 2–4 m (79–157 in) tall, with strong, extensively spreading rhizomes forming large clonal colonies. The leaves are some of the largest in the family, up to 15–40 cm (6–15.5 in) long and 10–28 cm (4–11 in) broad, nearly heart-shaped, with a somewhat wavy, crenate margin.
D. polypodiaceae, D. canariensis and D. trichomanoides are also grown as ornamental plants. [16] D. fejeensis is the most common Davallia species in commerce, and D. canariensis is widely grown as a house plant. [16] The plants have furry rhizomes which cover the surface of the potting mixture as well as root down into it. The fronds are ...
The rhizome of D. obscurum typically produces only one upright shoot per year and grows in a single direction. [14] In the beginning of a growing season, the rhizome grows a few centimeters and then forms one branch at a 90° angle, alternating sides each year, which remains only millimeters in length.
Zingiberaceae (/ ˌ z ɪ n dʒ ɪ b ɪ ˈ r eɪ s i. iː /) or the ginger family is a family of flowering plants made up of about 50 genera with a total of about 1600 known species [4] of aromatic perennial herbs with creeping horizontal or tuberous rhizomes distributed throughout tropical Africa, Asia, and the Americas.
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A plant that completes its life cycle (i.e. germinates, reproduces, and dies) within a single year or growing season. annulus 1. A ring-like structure; in the form of a ring. Pappus bristles are sometimes attached to a ring called an annulus or disk at the top of the achene beak.