Acleisanthes acutifolia

Standley

Contr. U.S. Natl. Herb. 12: 370. 1909.

Common names: Havard’s trumpets
Illustrated
Treatment appears in FNA Volume 4. Treatment on page 36. Mentioned on page 31, 34.

Plants herbaceous, overall pubescence mixture of capitate-glandular hairs 0.2–0.3 mm and white, capitate, shorter hairs 0.1–0.2 mm. Stems decumbent to ascending, much branched, 10–40 cm, hirtellous to glabrate. Leaves yellowish green, usually petiolate, distalmost sessile or nearly so, those of pair subequal; petiole 1–15 mm, puberulent to hirtellous; blade oval to oblongelliptic, (5–) 10–50 × 3–20 (–25) mm, base acute to obtuse, margins crispate or undulate, apex apiculate and acute to obtuse or infrequently rounded; margins and adaxial midveins puberulent or occasionally hirtellous. Inflorescences solitary flowers, sessile or nearly so; bracts linear to subulate, 3–10 mm, hirtellous to puberulent. Flowers: chasmogamous perianth 2–5 cm, puberulent, tube 1–1.5 mm diam., limbs 10–30 mm diam., stamens 5; cleistogamous perianth 4–10 mm, hirtellous, stamens 2 (–5). Fruits with 5 narrow sulci and 5 broad, smooth ribs extending past glands, each bearing sticky, resinous gland in constriction below apex, ovate-oblong, constricted 0.5–1 mm below apex, 5–8 mm, base tapering, apex truncate, sparsely puberulent or glabrous.


Phenology: Flowering spring–fall.
Habitat: Calcareous or gypseous soils in grasslands and shrublands
Elevation: 700-2500 m

Distribution

V4 63-distribution-map.gif

Tex., Mexico (Chihuahua), Mexico (Coahuila), Mexico (Durango), Mexico (Zacatecas)

Discussion

Selected References

None.

Lower Taxa

None.

"thick" is not a number.

... more about "Acleisanthes acutifolia"
hirtellous +  and puberulent +
truncate +  and apiculate +
glabrous;puberulent +
Jackie M. Poole +
Standley +
glutinous +
symmetric +  and asymmetric +
tapering +, acute +  and obtuse +
unequal +
woody +, leathery +  and fleshy +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
oval;oblongelliptic +
? (?) +  and ? (?) +
3mm;20mm +
persistent +
distinct +
hirtellous;puberulent +
linear +  and subulate +
minute +, small +  and not accrescent +
corollalike +  and petaloid +
Havard’s trumpets +
pedicellate +, short +, sessile +  and few-flowered +
nearly +  and sessile +
Tex. +, Mexico (Chihuahua) +, Mexico (Coahuila) +, Mexico (Durango) +  and Mexico (Zacatecas) +
700-2500 m +
curved +  and straight +
pedicellate +, short +  and sessile +
inconspicuous +  and showy +
1 +  and 80 +
cleistogamous +, chasmogamous +  and bisexual +
puberulent +, glabrous +  and smooth +
ovate-oblong +
constricted +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
coriaceous +
Calcareous or gypseous soils in grasslands and shrublands +
nearly +  and sessile +
axillary +  and terminal +
yellowish green +
subequal +  and greatly unequal +
succulent +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
5-lobed +
hirtellous +  and puberulent +
undulate +  and crispate +
expanded +
hirtellous +  and puberulent +
cleistogamous +  and chasmogamous +
constricted +, short +  and elongate +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
puberulent;hirtellous +
0.1 cm1 mm <br />0.001 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Flowering spring–fall. +
Contr. U.S. Natl. Herb. +
rounded +
thick +  and thin +
fibrous;fleshy +
membranaceous +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
ribbed +, 10-ribbed +  and 5-ribbed +
pubescent +, glabrous +  and warty +
wrinkled +
Illustrated +
decumbent +  and ascending +
10 cm100 mm <br />0.1 m <br /> (40 cm400 mm <br />0.4 m <br />) +
woody +  and herbaceous +
fusiform +  and linear +
filiform +
Ammocodon +  and Selinocarpus +
Acleisanthes acutifolia +
Acleisanthes +
species +
gland-tipped +
1mm +  and 1.5mm +
domelike +
0.2mm +  and 0.3mm +
coriaceous +