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The 2012 Jepson Manual accepted Monardella villosa. [3] Studies in preparation for new editions of the Flora of North America and The Jepson Manual showed that there was "continuous variation" between M. odoratissima and M. villosa. Traditional characters that had been used to separate the two species varied with location, elevation and soil type.
Buchnera americana is a perennial flowering plant with underground rhizomes and an above-ground stem. The stem of the plant is usually covered with trichomes (small hair-like projections), and can grow 40 to 80 cm (16 to 31 in) tall.
The USDA also refers to it as the Miami Station. [1] The introduction of economically useful plants into the US is a three-step process: (1) explorers find the plants in foreign countries; (2) the plants are sent back to a USDA introduction garden where they are evaluated; (3) successful plants are distributed to farmers and nurserymen.
Plant liners must also have established root systems that touch the outer edges of the container and stay intact when lifted from the container. [2] The U.S. Department of Agriculture's National Plant Materials Manual defines "liner" as plant material which is grown in one location and then “lined-out” in another location for finishing off ...
Alisma subcordatum, the American water plantain, is a perennial aquatic plant in the water-plantain family (Alismataceae). This plant grows to about 3 feet (0.91 meters) in height with lance to oval shaped leaves rising from bulbous corms with fibrous roots. Any leaves that form underwater are weak and quick to rot; they rarely remain on adult ...
The U.S. Department of Agriculture's Pomological Watercolor Collection is an archive of some 7,500 botanical watercolors created for the USDA between the years 1886 and 1942 by around five dozen artists. [1]
This form should contain the following information: field location, farmer's preferred field name or number, cropping history, including specific variety and seed manufacturer, planting date, planting rate (spacing), row width, tillage operations, crop yields, pesticide names, rates, application dates and who applied them, fertilizer and lime ...
In Indigenous American companion planting, maize (Zea mays), beans (wild beans and vetches [3] spp.), and squash (Cucurbita pepo) are planted close together. The maize and beans are often planted together in mounds formed by hilling soil around the base of the plants each year; squash is typically planted between the mounds. [4]
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