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Stoutstem Threadplant
Nemacladus rigidus
About Stoutstem Threadplant (Nemacladus rigidus) 0 Nurseries Carry This Plant Nemacladus rigidus is a species of flowering plant in the bellflower family known by the common name stoutstem threadplant. It is native to the Great Basin in the United States, where it grows in open areas, often on bare soil. It is a small annual herb producing a thin, spreading purplish stem no more than 9 centimeters long. Oval leaves up to a centimeter long occur at the base of the plant. The inflorescence is a series of zigzagging branches bearing flowers on thin, curving pedicels. There is a single tiny bract at the base of each pedicel. The flower is under 2 millimeters long. It has five red-veined white or purple-tinged lobes.
Plant Description
Plant Type
Plant Type
Annual herb

Landscaping Information
Natural Setting
Annual Precipitation: 3.3" - 19.4", Summer Precipitation: 0.54" - 1.55", Coldest Month: 26.8" - 59.8", Hottest Month: 56.5" - 86.4", Humidity: 1.64" - 37.76", Elevation: 592" - 7630"

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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