Flora of North America species comparison

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Arctostaphylos malloryi

Arctostaphylos edmundsii

Balaklala manzanita, Mallory's manzanita

little sur manzanita
Habit Shrubs, erect or mound-forming, 1–3 m; burl absent; twigs sparsely short-hairy, viscid glandular-hairy. Shrubs, prostrate or mound-forming, 0.2–1.5 m; burl absent; twigs sparsely short-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 dark green, lustrous, orbiculate to orbiculate-ovate, 1–2.5 × 1–1.5 cm, base truncate to ± lobed, margins entire, plane, surfaces 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.

panicles, 2–5-branched;

immature inflorescence pendent, (branches crowded), axis 0.5–1 cm, 1+ mm diam., sparsely short-hairy;

bracts not appressed, scalelike, deltate to awl-like, 3–5 mm, apex acute, surfaces sparsely hairy or glabrous.
Pedicels

6–9 mm, finely glandular-hairy.

3–4 mm, sparsely hairy or glabrous.
Flowers

corolla white, conic to urceolate;

ovary densely white-hairy.

corolla white, urceolate;

ovary sparsely hairy or glabrous.
Fruits

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

subglobose, 6–8 mm diam., glabrous.
Stones

distinct.

distinct.
2n

= 26.

= 26.

Arctostaphylos malloryi

Arctostaphylos edmundsii
Phenology Flowering winter–late spring. Flowering winter–early spring.
Habitat Chaparral, open forests Steep, rocky slopes and bluffs near ocean
Elevation 200-1200 m (700-3900 ft) 0-500 m (0-1600 ft)
Distribution
from FNA
CA
[BONAP county map]
from FNA
CA
[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 edmundsii is narrowly distributed along the Pacific Coast in the Little Sur region in the northern Santa Lucia Range, 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. 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. 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
Synonyms A. canescens subsp. malloryi A. edmundsii var. parvifolia, A. uva-ursi subsp. edmundsii, A. uva-ursi var. parvifolia
Name authority (W. Knight & Gankin) P. V. Wells: Four Seasons 9(2): 54. 1992 , J. T. Howell: Leafl. W. Bot. 6: 202. 1952 ,
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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