Buddleja marrubiifolia

Bentham in A. P. de Candolle and A. L. P. P. de Candolle

Prodr. 10: 441. 1846.

Common names: Woolly butterfly bush
Illustrated
Treatment appears in FNA Volume 17. Treatment on page 330. Mentioned on page 327, 328.

Shrubs, 5–20 dm. Stems much-branched, tomentose. Leaves: stipular lines faint; petiole 3–5 mm; blade grayish, ovate to rhombic, 1–6 × 1–2.5 cm, base cuneate, acute, or attenuate, margins crenate, apex obtuse or rounded, surfaces densely tomentose. Inflorescences terminal, capitate, 1–1.5 × 0.8–1.2 cm, cymes 1, 5–25-flowered. Pedicels essentially absent; bracteoles absent. Flowers fragrant; calyx tomentulose externally, tube 2–3.5 mm, lobes 1–1.5 mm; corolla deep yellow (turning orange), salverform, tube 3–4.5 mm, lobes orbiculate, 1–1.5 × 1.5–2 mm; stamens inserted in distal 1/3 of corolla-tube, included in tube; ovary ovoid, 1–1.5 mm, distal 1/2 glandular-tomentose; stigma clavate, slightly 2-lobed at apex, 0.6–1 mm. Fruits capsules, brown, oblong-ovoid, 3–4 × 1.5–2 mm, glandular-tomentulose at apex, dehiscence septicidal and loculicidal. Seeds ellipsoid, 1–1.3 × 0.2–0.3 mm, wings short at chalazal end. 2n = 38.


Phenology: Flowering Feb–Aug; fruiting Jul–Oct.
Habitat: Limestone cliffs and canyons.
Elevation: 600–1300 m.

Distribution

Tex., Mexico (Chihuahua), Mexico (Durango), Mexico (Hidalgo), Mexico (Nuevo León), Mexico (San Luis Potosí), Mexico (Tamaulipas), Mexico (Zacatecas)

Discussion

Buddleja marrubiifolia is found with Agave lechuguilla, Dasylirion leiophyllum, and Fouquieria splendens. In Mexico, it is found growing at elevations to 2300 m. Although cultivated in Arizona and Hawaii, it does not appear to have escaped in either state.

Selected References

None.

Lower Taxa

None.
... more about "Buddleja marrubiifolia"
rounded +  and obtuse +
Eliane Meyer Norman +
Bentham in A. P. de Candolle and A. L. P. P. de Candolle +
attenuate +, acute +  and cuneate +
indehiscent +, loculicidal +, septicidal +  and dehiscence +
globular;cylindric oblong ellipsoid or subglobular +
1 cm10 mm <br />0.01 m <br /> (6 cm60 mm <br />0.06 m <br />) +
ovate;rhombic +
not +, subleathery +  and not fleshy +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
tomentulose +
campanulate +
indehiscent +, loculicidal +, septicidal +  and dehiscence +
globular +  and cylindric oblong ellipsoid or subglobular +
decussate;opposite +
Woolly butterfly bush +
bilabiate +, regular +  and symmetric +
salverform +
5-25-flowered +
Tex. +, Mexico (Chihuahua) +, Mexico (Durango) +, Mexico (Hidalgo) +, Mexico (Nuevo León) +, Mexico (San Luis Potosí) +, Mexico (Tamaulipas) +  and Mexico (Zacatecas) +
600–1300 m. +
curved +  and straight +
not +  and abundant +
yellow-orange +
fragrant +
trioecious +, dioecious +  and bisexual +
indehiscent +, loculicidal +, septicidal +  and dehiscence +
globular;cylindric oblong ellipsoid or subglobular +
loculicidal +  and septicidal +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
glandular-tomentulose +
Limestone cliffs and canyons. +
pseudoverticellate +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
alternate +  and opposite +
deciduous +, semipersistent +  and persistent +
cauline +  and basal +
orbiculate +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
serrate +  and dentate +
glandular-tomentose +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
tenuinucellate +, unitegmic +  and hemitropous +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Flowering Feb–Aug +  and fruiting Jul–Oct. +
yellow +  and brown +
0.1 cm1 mm <br />0.001 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
ellipsoid +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
connate +  and distinct +
Illustrated +
pseudoverticellate +
exserted +  and included +
much-branched +
pendent +  and erect +
2-lobed +  and clavate +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
as stipular lines +
Chilianthus +  and Nicodemia +
Buddleja marrubiifolia +
Buddleja +
species +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
perennial +, biennial +  and annual +