Turnera diffusa var. diffusa

[F]
Treatment appears in FNA Volume 6. Treatment on page 167.

Shrubs 0.3–1.2 [–2] m, hairs simple and sessile-capitate glandular. Leaves aromatic; petiole absent or to 3.5 (–7) mm, without nectaries; blade obovate or ovate, 5–30 × 2–13 mm, base cuneate or attenuate, margins revolute, crenate-serrate, apex obtuse, surfaces tomentose to pilose abaxially, often glabrate adaxially. Inflorescences not epiphyllous, 0.5–0.8 cm; peduncle inserted at foliar base, 0.3–1 (–2) mm; prophylls inserted at peduncle apex, ovatelanceolate, 2.5–7 × 0.4–2.5 mm, without nectaries. Flowers distylous; calyx 3–8 mm, tube 2–5 mm; petals usually yellow, rarely whitish, 4–7 (–9) × 1.5–4 (–7) mm; filaments adnate 0.2 mm to floral-tube from base, 3–3.5 mm in long-styled flowers, (2–) 4.5–7.5 mm in short-styled flowers, nectaries absent; anthers dorsifixed; styles 2–4.5 mm in long-styled flowers, 1–2 mm in short-styled flowers. Capsules ovoid, 2.5–4.5 × 2–3 mm, rugose or verrucose. Seeds blackish, 1.5–2.2 × 0.7–1.1 mm; epidermis smooth; aril 0.9–1.5 mm. 2n = 14.


Phenology: Flowering and fruiting Sep–Mar.
Habitat: Gravelly, brushy hills, sandy soil
Elevation: 50–100 m

Distribution

V6 306-distribution-map.jpg

Tex., Mexico, West Indies, Central America, South America (ne Brazil)

Discussion

Selected References

None.

Lower Taxa

None.
dorsifixed +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
membranous +
María Mercedes Arbo +
attenuate +  and cuneate +
0.5 cm5 mm <br />0.005 m <br /> (3 cm30 mm <br />0.03 m <br />) +
filiform +, serrate +  and crenate +
ovate +  and obovate +
0.2 cm2 mm <br />0.002 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
verrucose +  and rugose +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Tex. +, Mexico +, West Indies +, Central America +  and South America (ne Brazil) +
50–100 m +
0.2 cm2 mm <br />0.002 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
0.45 cm4.5 mm <br />0.0045 m <br /> (?) +  and 0.75 cm7.5 mm <br />0.0075 m <br /> (?) +
short-styled +, long-styled +  and distylous +
3-valved +  and capsular +
loculicidal +
microcapitate +  and sessile-capitate +
Gravelly, brushy hills, sandy soil +
not epiphyllous +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
sessile +  and petiolate +
aromatic +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
adnate +  and free +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
whitish +  and yellow +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0-3.5(-7) mm +
Flowering and fruiting Sep–Mar. +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
ovatelanceolate +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
in J. J. Roemer et al., Syst. Veg. +
curved +  and straight +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
obovoid +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
Illustrated +
penicillate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
glabrate +, tomentose +  and pilose +
Turnera diffusa var. diffusa +
Turnera diffusa +
variety +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
120 cm1,200 mm <br />1.2 m <br /> (200 cm2,000 mm <br />2 m <br />) +