Polanisia dodecandra

(Linnaeus) de Candolle in A. P. de Candolle and A. L. P. P. de Candolle

in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 1: 242. 1824.

WeedyIllustrated
Basionyms: Cleome dodecandra Linnaeus Sp. Pl. 2: 672. 1753
Treatment appears in FNA Volume 7. Treatment on page 201.

Annuals, rarely perennials, (5–) 10–60 (–90+) cm. Stems branched; hairs stalked, glandular throughout. Leaves: petiole green to purple, angled, 1.5–4.5 (–6) cm, glandular; leaflet blade oblanceolate to obovate or broadly elliptic, 1.9–4.5 (–6.5) × 0.5–2 (–3) cm, margins entire, surfaces sparsely glandular. Racemes (dense) 5–20 cm (10–30 cm in fruit); bracts unifoliate, lanceolate to orbiculate, 5–20 mm. Pedicels 10–25 (–40) mm. Flowers: sepals purple, oblong, 3–6 × 1.5–2.5 mm, margins entire, apex acuminate, glandular; petals white, pink, rose, or purple, oblong-ovate, clawed, abaxial pair (3–) 5–10 × 1.8–3 (–5) mm, apex emarginate to lacerate, adaxial pair 8–14 × 3–5 mm, apex emarginate; nectary glands bright orange, not conspicuous (in fruit); stamens 10–20, exserted, purple, (6–) 7–28 (–40) mm; anthers purple, 1–1.3 mm; gynophore 0–2 mm in fruit; ovary 5–10 mm; style deciduous in fruit, 5–17 mm; stigma purple. Capsules (inflated) 40–70 × 5–9 mm, reticulate, glandular. Seeds 20–65, dark reddish-brown, globose to oblong, 2–2.3 mm, roughened or tuberculate-rugose.

Distribution

V7 260-distribution-map.gif

Alta., Man., Ont., Que., Sask., Ala., Ariz., Ark., Calif., Colo., Conn., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Maine, Mass., Md., Mich., Minn., Mo., Mont., N.Dak., N.H., N.J., N.Mex., N.Y., Nebr., Nev., Ohio, Okla., Oreg., Pa., S.Dak., Tex., Utah, Va., Vt., W.Va., Wash., Wis., Wyo., n Mexico

Discussion

Subspecies 3 (3 in the flora).

Key

1 Petals (3-)5-7(-8) mm; stamens ± equaling orslightly longer than petals. Polanisia dodecandra subsp. dodecandra
1 Petals (6-)8-14(-17) mm; stamens ± equaling, or slightly longer to ca. 2 times or more as long as petals > 2
2 Inflorescence bracts ovate to orbiculate; leaflet blade apex rounded; seeds tuberculate-rugose. Polanisia dodecandra subsp. riograndensis
2 Inflorescence bracts lanceolate to ovate; leaflet blade apex acute to obtuse; seeds roughened. Polanisia dodecandra subsp. trachysperma
... more about "Polanisia dodecandra"
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
not coiling +
0.1 cm1 mm <br />0.001 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
Gordon C. Tucker +
(Linnaeus) de Candolle in A. P. de Candolle and A. L. P. P. de Candolle +
Cleome dodecandra +
serrulate +, serrate +  and entire +
lanceolate;orbiculate +
4 cm40 mm <br />0.04 m <br /> (7 cm70 mm <br />0.07 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Alta. +, Man. +, Ont. +, Que. +, Sask. +, Ala. +, Ariz. +, Ark. +, Calif. +, Colo. +, Conn. +, Ga. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Mass. +, Md. +, Mich. +, Minn. +, Mo. +, Mont. +, N.Dak. +, N.H. +, N.J. +, N.Mex. +, N.Y. +, Nebr. +, Nev. +, Ohio +, Okla. +, Oreg. +, Pa. +, S.Dak. +, Tex. +, Utah +, Va. +, Vt. +, W.Va. +, Wash. +, Wis. +, Wyo. +  and n Mexico +
adnate +  and free +
dehiscent +  and indehiscent +
elongate +
oblong +  and cylindric +
0 cm0 mm <br />0 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
axillary +  and terminal +
arranged +  and alternate +
4.5 cm45 mm <br />0.045 m <br /> (6.5 cm65 mm <br />0.065 m <br />) +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
1.9 cm19 mm <br />0.019 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
1-carpellate +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (4 cm40 mm <br />0.04 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Purple (?) +, Rose (?) +, Pink (?) +  and White (?) +
distinct +
unequal +
4.5 cm45 mm <br />0.045 m <br /> (6 cm60 mm <br />0.06 m <br />) +
green;purple +
1.5 cm15 mm <br />0.015 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
tricolporate +  and binucleate +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
5 cm50 mm <br />0.05 m <br /> (20 cm200 mm <br />0.2 m <br />) +
iltis1966a +
not arillate +
tuberculate-rugose +  and roughened +
globose +  and oblong +
deciduous +
distinct +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Weedy +  and Illustrated +
glandular-pubescent +  and glabrous +
2.8 cm28 mm <br />0.028 m <br /> (4 cm40 mm <br />0.04 m <br />) +
spreading +  and erect +
deciduous +  and caducous +
scale-like +, thread-like +  and 3-8-palmatifid +
deciduous +
0.5 cm5 mm <br />0.005 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
Cristatella +
Polanisia dodecandra +
Polanisia +
species +
60 cm600 mm <br />0.6 m <br /> (90 cm900 mm <br />0.9 m <br />) +
perennial +  and annual +
10 cm100 mm <br />0.1 m <br /> (60 cm600 mm <br />0.6 m <br />) +
perennial +  and annual +