The open plant encyclopedia
Snap a photo or search by any name to see how to care for it, where it comes from, whether it's safe, and a 3D model you can turn.
The plants people record most in your country, and ones that grow there wild.
Filter by what you want to do, shape, origin, country, care and safety.
Nemacladus calcaratus
Also called Spurred Threadplant
Chimney Creek nemacladus is a tiny annual herb, known only from Chimney Creek in Tulare County, California, and grown mainly by specialists rather than in gardens. Its key requirement is a sandy, well-drained, granitic-type soil in a woodland-like spot with seasonal moisture.
Nemacladus calcaratus is a rare species of flowering plant in the bellflower family known by the common name Chimney Creek nemacladus. It is endemic to Tulare County, California, where it is known only from Chimney Creek in the southern Sierra Nevada east of Lake Isabella. It occurs in woodland habitat on sandy granitic substrate. It was first collected in 1986 and described to science as a new species in 2008.
This is a petite annual herb with an angular, slightly hairy, sometimes red-tinged stem just a few centimeters long. The lance-shaped leaves are just a few millimeters long, green to red in color, and densely hairy. The inflorescence bears flowers on short, threadlike pedicels about a centimeter long. The tiny flower has five pointed lobes each 1 or 2 millimeters long, the two lowest fused to form a spur. The flower is white with dark red stripes in the throat.
Common threadplant · Glandular threadplant · Slender threadplant · Sierra threadplant · Smallflower threadplant · Stoutstem threadplant · Sigmoid threadplant · Twisselmann's threadplant · Threadplant
Text excerpted from the Wikipedia article Nemacladus calcaratus by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
