Abutilon theophrasti Medikus
Malvaceae (Mallow Family)
Chingma Velvet Leaf
Stout, erect, annual, 1-2 m. tall, lvs. simple, alternate,
ovate-orbicular, cordate, palmately-veined, velvety; fls. yellow, 6-8 mm. long,
on short pedicels; calyx 5 cleft; stamineal column anther-bearing at apex; fr.
truncate-cylindric, carpels 9-15 with long divergent awns, smooth sided, hairy,
dehiscent nearly to base when ripe; ovules 2 or more per carpel; seeds dark gray
or black, roughened by wart-like protuberances, unequally heart-shaped, with a
strap-like appendage extending from the higher lobe into a notched scar.
Occasional escape, (Riverside, Santa Ana Canyon, San Diego, Santa
Abutilon, the name of Arabic
origin. (Munz, Flora So. Calif. 562).
Theophrasti means "of
was a Greek, born 370 or 371 B.C. who lived to 288-287 B.C.
He wrote 9 books on The History of Plants and 6 on The Causes of Plants.
He was a student of Aristotle's. Perhaps
the plant is mentioned in his work on Botany.
Rare in the study area having been found only once and this near the top
of the sloping bank, close to the end of Mesa Dr. in the Santa Ana Heights area.
(my comment). The
seeds retain their viability for more than fifty years when stored in a dry
place or when buried in the soil. (Robbins
100 species in many warm regions, some cult. as ornamentals.
(Munz, Flora So. Calif. 562).
Hickman, Ed. 748; Munz, Flora So.
Calif. 562; Robbins et al. 294; Roberts 28.
June 88 # 24A; July 88 # 1.
Identity: by Fred Roberts,
First Found: June 1988.
Computer Ref: Plant Data 359.
Have plant specimen.
Last edit 12/26/04.
July Photo July Photo