Acleisanthes obtusa

(Choisy) Standley

Contr. U.S. Natl. Herb. 12: 371. 1909.

Common names: Berlandier’s trumpets
Basionym: Nyctaginia obtusa Choisy in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 13(2): 429. 1849
Synonyms: Acleisanthes berlandieri A. Gray Acleisanthes greggii Standley
Treatment appears in FNA Volume 4. Treatment on page 35. Mentioned on page 34.

Plants herbaceous, often woody at base, overall pubescence of white, capitate hairs 0.1–0.2 mm. Stems prostrate or spreading, much branched, to more than 100 cm, hirtellous to glabrate. Leaves grayish green, sessile or petiolate, those of pair slightly unequal; petiole to 25 mm, hirtellous to glabrate; blade deltate to deltate-ovate, 2–30 (–45) × 2–35 (–50) mm, base truncate to subcordate or rounded and short-decurrent, margins flat or slightly undulate, apex acute to broadly rounded and often apiculate, puberulent to glabrate. Inflorescences solitary flowers or 2–5-flowered cymes, sessile or with pedicel to 5 mm; bracts linear-subulate, 1–7 mm, puberulent, usually sparsely so. Flowers: chasmogamous perianth 2.5–5.5 cm, sparsely puberulent, tube 1–2 mm diam., limbs 13–25 mm diam., stamens 5; cleistogamous perianth 3–12 mm, puberulent, stamens 5. Fruits 5-ribbed with pair of parallel grooves between ribs, each rib and pair of grooves ending at summit in inconspicuous, glandless knob, oblong, truncate at both ends, often constricted ca. 1 mm above base and below apex, 5–8 mm, hirtellous to sparsely puberulent with capitate hairs and with few, scattered, moniliform hairs 0.2–0.3 mm.


Phenology: Flowering early spring–late fall.
Habitat: Sandy, silty, or clay soils on calcareous or igneous substrates in grasslands, shrublands, or woodlands
Elevation: 0-1800 m

Discussion

Selected References

None.

Lower Taxa

None.

"thick" is not a number.

... more about "Acleisanthes obtusa"
puberulent;glabrate +
Jackie M. Poole +
(Choisy) Standley +
glutinous +
short-decurrent +
symmetric +  and asymmetric +
truncate +  and subcordate or rounded +
unequal +
woody +, leathery +  and fleshy +
Nyctaginia obtusa +
3 cm30 mm <br />0.03 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
3.5 cm35 mm <br />0.035 m <br /> (5 cm50 mm <br />0.05 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (3 cm30 mm <br />0.03 m <br />) +
deltate;deltate-ovate +
? (?) +  and ? (?) +
2mm;35mm +
persistent +
distinct +
linear-subulate +
minute +, small +  and not accrescent +
corollalike +  and petaloid +
Berlandier’s trumpets +
2-5-flowered +
Tex. +  and s to c Mexico +
0-1800 m +
curved +  and straight +
pedicellate +, short +  and sessile +
inconspicuous +  and showy +
1 +  and 80 +
cleistogamous +, chasmogamous +  and bisexual +
truncate +  and 5-ribbed +
hirtellous +  and sparsely puberulent +
constricted +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
coriaceous +
Sandy, silty, or clay soils on calcareous or igneous substrates in grasslands, shrublands, or woodlands +
0.1mm +  and 0.2mm +
moniliform +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
with pedicel +  and sessile +
axillary +  and terminal +
inconspicuous +
petiolate +  and sessile +
grayish green +
unequal +
succulent +
1.3 cm13 mm <br />0.013 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
5-lobed +
pubescent +  and glabrous +
undulate +  and flat +
expanded +
0 cm0 mm <br />0 m <br /> (?) +  and 0.5 cm5 mm <br />0.005 m <br /> (?) +
cleistogamous +  and chasmogamous +
constricted +, short +  and elongate +
0.3 cm3 mm <br />0.003 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
hirtellous;glabrate +
0 cm0 mm <br />0 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Flowering early spring–late fall. +
Contr. U.S. Natl. Herb. +
rounded +
thick +  and thin +
fibrous;fleshy +
membranaceous +
ribbed +, 10-ribbed +  and 5-ribbed +
pubescent +, glabrous +  and warty +
wrinkled +
spreading +  and prostrate +
woody +  and herbaceous +
fusiform +  and linear +
filiform +
Acleisanthes berlandieri +  and Acleisanthes greggii +
Acleisanthes obtusa +
Acleisanthes +
species +
gland-tipped +
1mm +  and 2mm +
domelike +
coriaceous +