Flora of North America species comparison

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Arctostaphylos purissima

Arctostaphylos gabilanensis

La Purisima manzanita, La Purissima manzanita

Gabilan manzanita, Gabilan Mountains manzanita
Habit Shrubs, erect, 1–4 m; burl absent; twigs densely short-hairy with longer hairs. Shrubs or trees, erect, 1–5 m; burl absent; twigs sparsely short-hairy with sessile glands among hairs.
Leaves

petiole to 2 mm;

blade bright green, shiny, orbiculate-ovate to ± orbiculate, 1–2.5 × 1–2 cm, base auriculate-clasping, margins entire, plane, surfaces smooth, glabrous.

petiole 1–4 mm;

blade gray-glaucous, dull, ovate, 1.5–3.5 × 1.1–2.4 cm, base distinctly lobed, auriculate-clasping, margins entire, plane, surfaces smooth, canescent, glabrescent.
Inflorescences

racemes, simple or 1–2-branched;

immature inflorescence pendent, (branches dense, concealed by bracts), axis 0.5–1 cm, 1+ mm diam., densely short-hairy with longer hairs;

bracts not appressed, (overlapping), leaflike, ovate to lanceolate-ovate, 5–8 mm, apex acute, surfaces glabrous.

panicles, 1–4-branched;

immature inflorescence pendent, branches spreading, axis 1–3 cm, 1+ mm diam., sparsely short-hairy with sessile glands among hairs;

bracts not appressed, (spreading), scalelike (lowermost leaflike), deltate, 3–5 mm, (fleshy), apex mucronate, surfaces hairy.
Pedicels

3–5 mm, sparsely hairy or glabrous.

8–10 mm, hairy or glabrous.
Flowers

corolla white, conic to urceolate;

ovary glabrous.

corolla white to pink, conic to urceolate;

ovary glabrous, (not viscid).
Fruits

depressed-globose, 5–8 mm diam., glabrous.

globose, 10–15 mm diam., glabrous, (not viscid).
Stones

distinct.

connate into single sphere.
2n

= 26.

= 26.

Arctostaphylos purissima

Arctostaphylos gabilanensis
Phenology Flowering winter–early spring. Flowering winter–early spring.
Habitat Maritime chaparral on deep, sandy soils Chaparral on decomposing granites
Elevation 0-100 m (0-300 ft) 300-700 m (1000-2300 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Of conservation concern.

Arctostaphylos purissima is known from hills and mesas near the coast (Burton Mesa) in Santa Barbara County.

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

Of conservation concern.

Arctostaphylos gabilanensis is known from two disjunct populations in the Gabilan Mountains, San Benito and Monterey counties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 434. FNA vol. 8, p. 431.
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. pajaroensis, A. pallida, A. parryana, A. patula, A. pechoensis, A. pilosula, A. pringlei, A. pumila, A. pungens, 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. 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
Name authority P. V. Wells: Madroño 19: 195. 1968 , V. T. Parker & M. C. Vasey: Madroño 51: 322, fig. 1. 2004 ,
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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