Hemiscola diffusa

(Banks ex de Candolle) H. H. Iltis

Novon 17: 448. 2007.

Common names: Spreading spiderflower
Basionym: Cleome diffusa Banks ex de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 1: 241. 1824
Synonyms: Cleome aculeata var. diffusa (Banks ex de Candolle) Kuntze
Treatment appears in FNA Volume 7. Treatment on page 220. Mentioned on page 221.

Plants 10–30 (–90) cm. Stems delicately branched; glandular-papillose. Leaves: stipular spines 0.5 mm; petiole 4–15 cm; leaflets 3 proximally, 1 distally, blade obovate, 1–2.5 × 0.5–1.2 cm, margins serrate, apex acute to obtuse or acuminate, surfaces glabrous or sparsely glandular-pubescent abaxially, glabrate adaxially. Racemes 5–10 cm (8–12 cm in fruit); bracts unifoliate, elliptic, 4–15 mm. Pedicels 4–6 mm. Flowers: sepals deciduous, brownish green, ovate, 1–2.5 (–3) × 1–2 mm, margins serrulate, glabrous; petals yellow or creamy white, 5–10 × 1.5–3 mm; stamens (staggered),yellow, 5–9 mm; anthers 0.3–0.5 mm; gynophore 2–4 mm in fruit; ovary 3 mm; style 0.1–0.2 mm. Capsules 15–20 × 3–6 mm, glabrous. Seeds 10–13, dull reddish-brown to black, oblong or comma-shaped (compressed), 2–3 × 2 mm, tuberculate, (aril white).


Phenology: Flowering summer.
Habitat: Disturbed areas
Elevation: 0-10 m

Distribution

V7 311-distribution-map.gif

Introduced; Ala., South America

Discussion

The only record of Hemiscola diffusa from the flora area is a collection from ballast in Mobile in 1893 (Mohr s.n., NY, US).

Selected References

None.

Lower Taxa

None.
... more about "Hemiscola diffusa"
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
acute +  and obtuse or acuminate +
Gordon C. Tucker +  and Hugh H. Iltis +
(Banks ex de Candolle) H. H. Iltis +
Cleome diffusa +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
serrulate +, serrate +  and entire +
obovate +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Spreading spiderflower +
Ala. +  and South America +
0-10 m +
adnate +  and free +
rotate;crateriform campanulate or urceolate +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
dehiscent +  and indehiscent +
elongate +
fusiform +  and linear-cylindric +
conical +  and discoid +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Disturbed areas +
sessile +  and stalked +
axillary +  and terminal +
arranged +  and alternate +
1 (?) +  and 3 (?) +
serrulate +  and serrate +
1-carpellate +
3 cm30 mm <br />0.03 m <br /> (?) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
creamy white +  and yellow +
distinct +
5mm;10mm +
oblong +  and ovate +
unequal +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
4 cm40 mm <br />0.04 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Flowering summer. +
tricolporate +  and binucleate +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
reddish-brown +  and black +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
tuberculate +
comma--shaped +  and oblong +
2 cm20 mm <br />0.02 m <br /> (?) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
brownish green +
deciduous +
distinct +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
glandular-pubescent +  and glabrous +
spreading +  and erect +
glandular-pubescent +  and glabrous +
glandular-papillose +
0.5 cm5 mm <br />0.005 m <br /> (?) +
deciduous +  and caducous +
scale-like +, thread-like +  and 3-8-palmatifid +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
glabrate +, glandular-pubescent +  and glabrous +
Cleome aculeata var. diffusa +
Hemiscola diffusa +
Hemiscola +
species +
30 cm300 mm <br />0.3 m <br /> (90 cm900 mm <br />0.9 m <br />) +