Penstemon multiflorus

(Bentham) Chapman ex Small

Fl. S.E. U.S., 1061. 1903.

Common names: Many-flower beardtongue
Endemic
Basionym: Penstemon pubescens var. multiflorus Bentham in A. P. de Candolle and A. L. P. P. de Candolle Prodr. 10: 327. 1846
Treatment appears in FNA Volume 17. Treatment on page 212. Mentioned on page 144, 184.

Herbs. Stems ascending to erect, (37–) 80–150 cm, glabrous, not glaucous. Leaves basal and cauline, not leathery, glabrous; basal and proximal cauline 65–160 × 15–40 mm, blade oblanceolate, base tapered, margins entire or slightly crenulate, apex acute; cauline 3–8 pairs, short-petiolate or sessile, (16–) 40–170 × (5–) 12–35 mm, blade lanceolate, base tapered to clasping, margins entire, apex acute. Thyrses interrupted, conic, 22–35 (–60) cm, axis glabrous or sparsely glandular-pubescent distally, verticillasters 3–8, cymes 5–19-flowered, 2 per node; proximal bracts lanceolate, 8–47 (–60) × 3–16 (–25) mm, margins entire; peduncles and pedicels ascending, glabrous or sparsely glandular-pubescent. Flowers: calyx lobes ovate, 3–5 × 1–2 mm, glandular-pubescent; corolla white to light lavender, without nectar guides, funnelform, 20–22 mm, glandular-pubescent externally, glabrous internally, tube 5–6 mm, throat abruptly inflated, 5–6 mm diam., 2-ridged abaxially; stamens included, pollen-sacs parallel, saccate, 0.8–1 mm, dehiscing incompletely, distal 2/3 indehiscent, connective splitting, sides glabrous, sutures papillate; staminode 10–13 mm, exserted, 0.3–0.5 mm diam., tip straight to recurved, distal 3–4 mm sparsely pubescent, hairs yellowish, to 0.3 mm; style 7–10 mm. Capsules 5–8 × 4–5 mm, glabrous.


Phenology: Flowering Mar–Jul(–Aug).
Habitat: Sandy pinelands, sandy scrublands.
Elevation: 0–100 m.

Discussion

Penstemon multiflorus occurs in the Coastal Plain throughout Florida and in southern Alabama and southern Georgia.

Selected References

None.

Lower Taxa

None.

"/4+timescorollathroat" is not declared as a valid unit of measurement for this property.

... more about "Penstemon multiflorus"
Craig C. Freeman +
(Bentham) Chapman ex Small +
glandular-pubescent +  and glabrous +
alternate +, subopposite +, whorled +  and opposite +
glaucescent +
alternate +, opposite +, whorled +, helical +  and subopposite +
cauline +, proximal +  and basal +
rarely +, not glaucous +, glabrate +, pubescent +, hairy +, glandular-lanate +, glandular-pubescent +, puberulent +, glandular +  and glabrous +
not +  and leathery +
tapered;tapered +
Penstemon pubescens var. multiflorus +
lanceolate;oblanceolate +
not +  and leathery +
glandular-pubescent +
short-tubular +  and short-campanulate +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
sessile +  and short-petiolate +
1.6 cm16 mm <br />0.016 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
4 cm40 mm <br />0.04 m <br /> (17 cm170 mm <br />0.17 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
petiolate +  and sessile +
Many-flower beardtongue +
personate +, not personate +, bilabiate +  and symmetric +
white +  and light lavender +
glabrous +  and glandular-pubescent +
ventricose +, tubular +  and tubular-funnelform +
ampliate +
2 cm20 mm <br />0.02 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
5-19-flowered +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
scale-like +  and not needlelike +
Ala. +, Fla. +  and Ga. +
drupe-like +
0–100 m. +
curved +  and straight +
1 +  and 4 +
Sandy pinelands, sandy scrublands. +
0 cm0 mm <br />0 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
membranous +
terminal +  and axillary +
persistent +  and deciduous +
basal +  and cauline +
not leathery +
orbiculate;linear;orbiculate;linear;truncate;oblanceolate;obovate;oblong;elliptic;round;lanceolate;ovate +
glutinous +
glandular-ciliolate +, hairy +, puberulent +, glabrescent +, glabrous +  and glandular-pubescent +
crenulate +  and entire +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
glandular-pubescent +  and glabrous +
glandular-pubescent +  and glabrous +
5 +  and 4 +
Flowering Mar–Jul(–Aug). +
navicular-sigmoid +
indehiscent +  and dehiscing +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
4.7 cm47 mm <br />0.047 m <br /> (6 cm60 mm <br />0.06 m <br />) +
1.6 cm16 mm <br />0.016 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (4.7 cm47 mm <br />0.047 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
Fl. S.E. U.S., +
minute +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
black +, gray +, brown +  and tan +
angled +  and slightly rounded +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
1 cm10 mm <br />0.01 m <br /> (?) +  and 1.3 cm13 mm <br />0.013 m <br /> (?) +
subalternate +, alternate +, whorled +  and opposite +
37 cm370 mm <br />0.37 m <br /> (80 cm800 mm <br />0.8 m <br />) +
glutinous +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
ascending;erect +
not glaucous +  and glabrous +
80 cm800 mm <br />0.8 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
papillate +
denticulate +
Penstemon multiflorus +
Penstemon sect. Penstemon +
species +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
2-ridged +  and inflated +
not constricted +
35 cm350 mm <br />0.35 m <br /> (60 cm600 mm <br />0.6 m <br />) +
22 cm220 mm <br />0.22 m <br /> (35 cm350 mm <br />0.35 m <br />) +
straight +
gibbous +  and not spurred +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
cauline +  and proximal +