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Under a lens, pores can be seen on the upper surface. The gametangia (sex organs) grow vertically from the thallus, the plant is dioicous so individual plants produce male or female gametangia. [1] The male gametangia are called an antheridiophores, they are short with a flat disc-like structure which is approximately 1 cm (0.39 in) wide.
Gurney's Seed and Nursery Co. is a mail-order seed and garden plant company based in Greendale, Indiana. Founded in 1866, Gurney's specializes in vegetable and flower seeds, gardening supplies and nursery stock, including trees, shrubs, perennials, fruit trees and berries, fertilizers and plant foods. [1]
A gametangium (pl.: gametangia) is a sex organ or cell in which gametes are produced that is found in many multicellular protists, algae, fungi, and the gametophytes of plants. In contrast to gametogenesis in animals , a gametangium is a haploid structure and formation of gametes does not involve meiosis .
Hoosier National Forest, other agencies and volunteers are mapping where invasive plants are growing in Indiana's Charles C. Deam Wilderness.
Growth of the gametangia commences after gametangia come in contact, and plasmogamy, or the fusion of the cytoplasm, occurs. Karyogamy, which is the fusion of the nuclei, follows closely after. The zygosporangia are then diploid. Zygosporangia are typically thick-walled, highly resilient to environmental hardships, and metabolically inert.
LONDON/COPENHAGEN (Reuters) -Catalent's Indiana plant in the United States has started filling injection pens for Novo Nordisk's obesity drug Wegovy, the Danish drugmaker's CEO told Reuters on ...
Female gametophytes of the liverwort Marchantia polymorpha. Gametophores are prominent structures in seedless plants on which the reproductive organs are borne. [citation needed] [1] The word gametophore (more accurately gametangiophore) is composed of the greek ‘gamete-,’ referring (loosely) to gametangia [citation needed] and ‘-phore’ (Greek Φορά, "to be carried"). [2]
Geranium maculatum, an Indiana native, is a relative of the common bedding geranium (Pelargonium × hortorum). This list includes plants native and introduced to the state of Indiana, designated (N) and (I), respectively. Varieties and subspecies link to their parent species.