Onosmodium helleri Small
Heller's Marbleseed, Marble-seed
Boraginaceae (Borage Family)
USDA Symbol: ONHE
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Fruit Type: Schizocarp
Size Notes: Up to about 18 inches tall.
Bloom InformationBloom Color: White
Bloom Time: Mar , Apr , May
Native Habitat: Endemic to Texas, it is found on the Edwards Plateau and Lampasas Cut Plain. Shade of moist woodlands, stream valleys, or other drainages.
Growing ConditionsLight Requirement: Part Shade
Conditions Comments: The conspicuous white to whitish brown fruit dries on the plant and has given the plant the common name of Marbleseed. The plant is uncommon to the point of being rare.
BenefitConspicuous Flowers: yes
Nectar Source: yes
Mr. Smarty Plants says
Marbleseed (Onosmodium sp.) propagation and use as groundcover for
October 08, 2007
I am interested in any information, esp. propagation & suitability as a landscape plant, (possible ground cover?) for marble seed. I have found it growing in deep shade on stream banks. It has a 4--...
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From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Lady Bird Johnson Wildflower Center - Austin, TX
NPSOT - Austin Chapter - Austin, TX
Wildflower Center Seed BankLBJWC-GV-1 Collected 2005-05-26 in Travis County by Lady Bird Johnson Wildflower Center
BibliographyBibref 286 - Wildflowers of the Texas Hill Country (1989) Enquist, M.
Search More Titles in Bibliography
Web ReferenceWebref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resourcesUSDA: Find Onosmodium helleri in USDA Plants
FNA: Find Onosmodium helleri in the Flora of North America (if available)
Google: Search Google for Onosmodium helleri
MetadataRecord Modified: 2023-02-21
Research By: NPC