Flora of North America species comparison

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Arctostaphylos pajaroensis

Arctostaphylos pumila

Pajaro manzanita

sand-mat manzanita
Habit Shrubs, erect or mound-forming, 1–4 m; burl absent; bark on older stems persistent, gray, shredded; twigs short-hairy, sometimes with long hairs. Shrubs, prostrate or mound-forming, 0.1–1 m; burl absent; twigs short gray-hairy.
Leaves

bifacial in stomatal distribution;

petiole to 2 mm;

blade light green abaxially, dark blue-green, glaucous adaxially, dull, ovate to triangular-ovate, 2–4 × 1–2 cm, base distinctly lobed, auriculate-clasping, margins (tinged with red), entire, ± cupped, surfaces smooth, glabrous, midvein hairy abaxially.

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, axis 1–1.5 cm, 1+ mm diam., short-hairy, sometimes with long hairs;

bracts not appressed, leaflike, linear-lanceolate, 5–10 mm, apex acuminate, surfaces glabrous.

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

5–8 mm, finely hairy or glabrous.

3–4 mm, hairy.
Flowers

corolla white to pink, urceolate;

ovary densely white-hairy.

corolla white, urceolate;

ovary white-hairy or ± glabrous.
Fruits

depressed-globose, 6–8 mm diam., sparsely hairy or glabrous.

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

distinct.

distinct.
2n

= 26.

= 26.

Arctostaphylos pajaroensis

Arctostaphylos pumila
Phenology Flowering early winter–early spring. Flowering winter–early spring.
Habitat Maritime chaparral on deep to shallow, sandy soils or sandstone outcroppings Sand dunes, maritime chaparral, open, closed-cone conifer forests
Elevation 0-200 m (0-700 ft) 0-300 m (0-1000 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Arctostaphylos pajaroensis is found in the vicinity of the Pajaro Hills in Monterey County.

(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. 432. 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. 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. 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. andersonii var. pajaroensis
Name authority (J. E. Adams) J. E. Adams: J. Elisha Mitchell Sci. Soc. 56: 41. 1940 , 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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