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.
Revision as of 18:15, 29 July 2020 by imported>Volume Importer
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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 +