Diaperia verna var. drummondii

(Torrey & A. Gray) Morefield

Novon 14: 469. 2004.

Common names: Gulf rabbit-tobacco
Endemic
Basionym: Filaginopsis drummondii Torrey & A. Gray Fl. N. Amer. 2: 263. 1842
Synonyms: Evax multicaulis var. drummondii (Torrey & A. Gray) A. Gray Evax verna var. drummondii (Torrey & A. Gray) Kartesz & Gandhi
Treatment appears in FNA Volume 19. Treatment on page 462.

Heads ± spheric, largest mostly 2.5–3.3 mm. Pistillate paleae individually visible through thin sericeous indument.


Phenology: Flowering and fruiting mid Feb–mid May.
Habitat: Dunes, beaches, sandy soils, often where disturbed
Elevation: 0–100 m

Discussion

Variety drummondii is known from coastal Alabama and Texas (nearly to Mexico), including islands; it may be found with var. verna up to about 300 km inland in Texas (most plants starting about 50–150 km inland are intermediate to some degree).

Selected References

None.

Lower Taxa

None.
scarious +
mostly ovate +  and lanceovate or linear +
racemiform +, paniculiform +  and corymbiform +
subdichasiform +
indeterminate +  and determinate +
James D. Morefield +
(Torrey & A. Gray) Morefield +
decurrent +
Filaginopsis drummondii +
compound +  and simple +
oblanceolate;obovate +
5-ribbed +, 3-ribbed +  and 2-ribbed +
muriculate +, papillate +  and smooth +
spatulate;oblanceolate;oblong flat +
Gulf rabbit-tobacco +
actinomorphic +
red-tipped +, purplish +, yellow +  and whitish +
spreading-arachnoid +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
light +  and dark-brown +
terete +  and rounded +
Ala. +  and Tex. +
0–100 m +
shiny +  and dull +
papillate +
winged +  and beaked +
dispersed +
incurved +  and spreading +
Dunes, beaches, sandy soils, often where disturbed +
racemiform +, spiciform +  and pseudo-polytomous +
singly +  and aggregated +
indeterminate +
homogamous +  and heterogamous +
spheric +
largest +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.33 cm3.3 mm <br />0.0033 m <br />) +
each +  and sessile +
inconspicuous +
sessile +  and petiolate +
7mm;13mm +
cauline +  and basal +
largest +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
rarely lanceovate +  and lanceolate +
2-carpellate +
0 cm0 mm <br />0 m <br /> (0.01 cm0.1 mm <br />1.0e-4 m <br />) +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.27 cm2.7 mm <br />0.0027 m <br />) +
persistent +
Flowering and fruiting mid Feb–mid May. +
subequal +  and unequal +
paleate +  and epaleate +
0.2-0.5 times diams +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
exalbuminous +
ascending +  and more or less prostrate +
2 +  and 10 +
appendaged +  and truncate +
papillate +
Evax multicaulis var. drummondii +  and Evax verna var. drummondii +
Diaperia verna var. drummondii +
Diaperia verna +
variety +
3 cm30 mm <br />0.03 m <br /> (25 cm250 mm <br />0.25 m <br />) +