Triphysaria pusilla

(Bentham) T. I. Chuang & Heckard

Syst. Bot. 16: 661. 1991.

Common names: Dwarf owl’s-clover or Johnny-tuck
Endemic
Basionym: Orthocarpus pusillus Bentham Scroph. Ind., 12. 1835
Synonyms: O. chinensis D. Y. Hong
Treatment appears in FNA Volume 17. Treatment on page 687. Mentioned on page 685.

Stems simple or with 1–6 decumbent to ascending branches proximally, (2–) 4–15 (–30) cm, glabrous proximally, retrorsely short-strigose distally. Leaves puberulent; proximal cauline: blade linear, 5–30 mm; cauline: blade ± ovate to obovate, 5–30 mm, base sessile, margins pinnatifid, rarely bipinnatifid, lateral lobes 2–8, threadlike. Spikelike racemes interrupted, open distally, (1.5–) 2.5–15 cm; peduncle absent; bracts pinnatifid, rarely bipinnatifid, ± obovate, 5–19 mm, lateral lobes 2–6 (–10), threadlike. Pedicels 0.3–1 mm, glabrous. Flowers: calyx (3–) 5–7 mm, puberulent, tube 2–3 mm, lobes triangular to narrowly lanceolate, (1.5–) 2–3.5 × 1.5–2 mm; corolla dark purple, rarely yellow, 4–7 mm, glabrate, beak dark purple, hooked, abaxial lobes spreading, 0.5–1 mm, throat not abruptly indented, not forming a fold under abaxial corolla lip, adaxial lobes projecting; stamens included, pollen-sac yellow, 0.7–0.8 mm, glabrous, dehiscing longitudinally; style 2.5–5 mm, glabrous; stigma filiform or subcapitate. Capsules 3.5–5 × 2.5–3.5 mm, glabrous. Seeds 10–30, ovoid to ellipsoid, 0.7–1.2 mm. 2n = 22.


Phenology: Flowering Apr–Jun.
Habitat: Grasslands, lawns, pastures, roadsides, edges of vernal pools, woodlands.
Elevation: 0–1400 m.

Distribution

B.C., Calif., Oreg., Wash., in Asia (China)

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Triphysaria pusilla"
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Elizabeth H. Zacharias +
(Bentham) T. I. Chuang & Heckard +
Orthocarpus pusillus +
less ovate;obovate +
0.5 cm5 mm <br />0.005 m <br /> (3 cm30 mm <br />0.03 m <br />) +
not leathery +  and not fleshy +
obovate +  and pinnatifid +
0.5 cm5 mm <br />0.005 m <br /> (1.9 cm19 mm <br />0.019 m <br />) +
decumbent +  and ascending +
1 +  and 6 +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
campanulate +, tubular +  and symmetric +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Dwarf owl’s-clover or Johnny-tuck +
yellow +  and dark purple +
club--shaped +  and tubular +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
B.C. +, Calif. +, Oreg. +, Wash. +  and in Asia (China) +
0–1400 m. +
2 +  and 1 +
indehiscent +, septicidal +, loculicidal +  and dehiscence +
Grasslands, lawns, pastures, roadsides, edges of vernal pools, woodlands. +
axillary +  and terminal +
alternate +, usually subopposite +  and opposite proximally +
deciduous +
puberulent +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
triangular +  and narrowly lanceolate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
pinnatifid +
tenuinucellate +  and unitegmic +
campylotropous-like +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Flowering Apr–Jun. +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
open;interrupted +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
spikelike +
2.5 cm25 mm <br />0.025 m <br /> (15 cm150 mm <br />0.15 m <br />) +
dark-brown +
10 +  and 30 +
ovoid +  and ellipsoid +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
subequal +
with 1-6 decumbent to ascending branches +  and simple +
15 cm150 mm <br />0.15 m <br /> (30 cm300 mm <br />0.3 m <br />) +
aerial +  and subterranean +
short-strigose +  and glabrous +
4 cm40 mm <br />0.04 m <br /> (15 cm150 mm <br />0.15 m <br />) +
not fleshy +
subcapitate +  and filiform +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
O. chinensis +
Triphysaria pusilla +
Triphysaria +
species +
indented +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +