Flora of North America species comparison

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Arctostaphylos malloryi

Arctostaphylos pumila

Balaklala manzanita, Mallory's manzanita

sand-mat manzanita
Habit Shrubs, erect or mound-forming, 1–3 m; burl absent; twigs sparsely short-hairy, viscid glandular-hairy. Shrubs, prostrate or mound-forming, 0.1–1 m; burl absent; twigs short gray-hairy.
Leaves

petiole 5–10 mm;

blade glaucous, dull, orbiculate to ovate, 2–3 × 1.5–2.5 cm, base rounded, truncate, or ± lobed, margins entire, plane, surfaces smooth, gray-canescent or densely white-tomentose, glabrescent.

bifacial in stomatal distribution;

petiole 2–3 mm;

blade dull gray abaxially, dark green, ± shiny adaxially, narrowly obovate to oblanceolate, (convex), 1–2 × 0.5–1.5 cm, base cuneate, margins (tinged with red), entire, ± cupped, abaxial surface smooth, densely gray-tomentose, adaxial surface smooth, sparsely puberulent.
Inflorescences

panicles, 2–5-branched;

immature inflorescence pendent, branches spreading or ascending, axis 1–2 cm, 1+ mm diam., sparsely short-hairy, viscid glandular-hairy;

bracts appressed, scalelike, linear-lanceolate, 3–5 mm, apex acute, surfaces canescent.

racemes, simple or 1-branched;

immature inflorescence pendent, axis 0.3–0.5 cm, 1+ mm diam., short gray-hairy;

bracts not appressed, scalelike (proximalmost leaflike), lanceolate or oblanceolate, 2–3 mm, apex acute to mucronate, surfaces hairy or glabrous.
Pedicels

6–9 mm, finely glandular-hairy.

3–4 mm, hairy.
Flowers

corolla white, conic to urceolate;

ovary densely white-hairy.

corolla white, urceolate;

ovary white-hairy or ± glabrous.
Fruits

depressed-globose, 7–9 mm diam., hairy or glabrous.

globose, 5–6 mm diam., sparsely hairy or glabrous.
Stones

distinct.

distinct.
2n

= 26.

= 26.

Arctostaphylos malloryi

Arctostaphylos pumila
Phenology Flowering winter–late spring. Flowering winter–early spring.
Habitat Chaparral, open forests Sand dunes, maritime chaparral, open, closed-cone conifer forests
Elevation 200-1200 m (700-3900 ft) 0-300 m (0-1000 ft)
Distribution
from FNA
CA
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Arctostaphylos malloryi occurs in disjunct populations on volcanic soils in Colusa, Shasta, and Sonoma counties in the North Coast Ranges. It possibly originated as a hybrid between A. canescens and A. viscida, and merits further study.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Of conservation concern.

Arctostaphylos pumila is known from the southern Monterey Bay region, Monterey County.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 430. FNA vol. 8, p. 424.
Parent taxa Ericaceae > subfam. Arbutoideae > Arctostaphylos Ericaceae > subfam. Arbutoideae > Arctostaphylos
Sibling taxa
A. andersonii, A. auriculata, A. bakeri, A. canescens, A. catalinae, A. columbiana, A. confertiflora, A. crustacea, A. cruzensis, A. densiflora, A. edmundsii, A. franciscana, A. gabilanensis, A. glandulosa, A. glauca, A. glutinosa, A. hispidula, A. hookeri, A. hooveri, A. imbricata, A. insularis, A. klamathensis, A. luciana, A. manzanita, A. mewukka, A. montana, A. montaraensis, A. montereyensis, A. morroensis, A. myrtifolia, A. nevadensis, A. nissenana, A. nortensis, A. nummularia, A. obispoensis, A. ohloneana, A. osoensis, A. otayensis, A. pacifica, A. pajaroensis, A. pallida, A. parryana, A. patula, A. pechoensis, A. pilosula, A. pringlei, A. pumila, A. pungens, A. purissima, A. rainbowensis, A. refugioensis, A. regismontana, A. rudis, A. sensitiva, A. silvicola, A. stanfordiana, A. tomentosa, A. uva-ursi, A. virgata, A. viridissima, A. viscida
A. andersonii, A. auriculata, A. bakeri, A. canescens, A. catalinae, A. columbiana, A. confertiflora, A. crustacea, A. cruzensis, A. densiflora, A. edmundsii, A. franciscana, A. gabilanensis, A. glandulosa, A. glauca, A. glutinosa, A. hispidula, A. hookeri, A. hooveri, A. imbricata, A. insularis, A. klamathensis, A. luciana, A. malloryi, A. manzanita, A. mewukka, A. montana, A. montaraensis, A. montereyensis, A. morroensis, A. myrtifolia, A. nevadensis, A. nissenana, A. nortensis, A. nummularia, A. obispoensis, A. ohloneana, A. osoensis, A. otayensis, A. pacifica, A. pajaroensis, A. pallida, A. parryana, A. patula, A. pechoensis, A. pilosula, A. pringlei, A. pungens, A. purissima, A. rainbowensis, A. refugioensis, A. regismontana, A. rudis, A. sensitiva, A. silvicola, A. stanfordiana, A. tomentosa, A. uva-ursi, A. virgata, A. viridissima, A. viscida
Synonyms A. canescens subsp. malloryi
Name authority (W. Knight & Gankin) P. V. Wells: Four Seasons 9(2): 54. 1992 , Nuttall: Trans. Amer. Philos. Soc., n. s. 8: 266. 1842 ,
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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