FNA: Arctostaphylos luciana vs. Arctostaphylos purissima

	Arctostaphylos luciana	Arctostaphylos purissima
	Santa Lucia manzanita	La Purisima manzanita, La Purissima manzanita
Habit	Shrubs or trees, erect, 2–3 m; burl absent; twigs sparsely short-hairy.	Shrubs, erect, 1–4 m; burl absent; twigs densely short-hairy with longer hairs.
Leaves	petiole to 2 mm; blade glaucous, dull, ovate to ± orbiculate, 2–4 × 1.5–2.5 cm, base distinctly lobed, auriculate-clasping, margins entire, plane, surfaces smooth, appressed gray-canescent to finely tomen-tose, glabrescent.	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.
Inflorescences	racemes, simple or 1-branched; immature inflorescence pendent, (branches crowded, concealed by bracts), axis 0.5–1 cm, 1+ mm diam., sparsely short-hairy; bracts not appressed, leaflike, linear-lanceolate, 5–10 mm, apex acuminate, surfaces canescent.	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.
Pedicels	5–10 mm, glabrous.	3–5 mm, sparsely hairy or glabrous.
Flowers	corolla white, conic to urceolate; ovary glabrous.	corolla white, conic to urceolate; ovary glabrous.
Fruits	depressed-globose, 6–12 mm diam., glabrous.	depressed-globose, 5–8 mm diam., glabrous.
Stones	distinct.	distinct.
2n	= 26.	= 26.

	Arctostaphylos luciana	Arctostaphylos purissima
Phenology	Flowering winter–early spring.	Flowering winter–early spring.
Habitat	Chaparral	Maritime chaparral on deep, sandy soils
Elevation	300-500 m (1000-1600 ft)	0-100 m (0-300 ft)
Distribution	CA [BONAP county map]	CA [WildflowerSearch map] [BONAP county map]
Discussion	Arctostaphylos luciana is found on siliceous shale east of Cuesta Pass in the southern Santa Lucia Mountains of San Luis Obispo County. of conservation concern (Discussion copyrighted by Flora of North America; reprinted with permission.)	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.)
Source	FNA vol. 8, p. 431.	FNA vol. 8, p. 434.
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. 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	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
Name authority	P. V. Wells: Leafl. W. Bot. 10: 177. 1965 ,	P. V. Wells: Madroño 19: 195. 1968 ,
Web links	Local floras: CA Local Web sites: CalFlora, CalPhotos WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: CA Local Web sites: CalFlora, CalPhotos WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Arctostaphylos purissima

Santa Lucia manzanita

La Purisima manzanita, La Purissima manzanita

Habit

Shrubs or trees, erect, 2–3 m; burl absent; twigs sparsely short-hairy.

Shrubs, erect, 1–4 m; burl absent; twigs densely short-hairy with longer hairs.

Leaves

petiole to 2 mm;

blade glaucous, dull, ovate to ± orbiculate, 2–4 × 1.5–2.5 cm, base distinctly lobed, auriculate-clasping, margins entire, plane, surfaces smooth, appressed gray-canescent to finely tomen-tose, glabrescent.

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.

Inflorescences

racemes, simple or 1-branched;

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

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

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.

Pedicels

5–10 mm, glabrous.

3–5 mm, sparsely hairy or glabrous.

Flowers

corolla white, conic to urceolate;

ovary glabrous.

corolla white, conic to urceolate;

ovary glabrous.

Fruits

depressed-globose, 6–12 mm diam., glabrous.

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

Stones

distinct.

= 26.

Arctostaphylos luciana

Arctostaphylos purissima

Phenology

Flowering winter–early spring.

Habitat

Chaparral

Maritime chaparral on deep, sandy soils

Elevation

300-500 m (1000-1600 ft)

0-100 m (0-300 ft)

Distribution

[BONAP county map]

[WildflowerSearch map]

[BONAP county map]

Discussion

Arctostaphylos luciana is found on siliceous shale east of Cuesta Pass in the southern Santa Lucia Mountains of San Luis Obispo County.

of conservation concern

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

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.)

Source

FNA vol. 8, p. 431.

FNA vol. 8, p. 434.

Parent taxa

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. 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

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

Name authority

P. V. Wells: Leafl. W. Bot. 10: 177. 1965 ,

P. V. Wells: Madroño 19: 195. 1968 ,

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).

Choose a data source: Flora of North America

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Arctostaphylos luciana

Arctostaphylos purissima

Arctostaphylos luciana

Arctostaphylos purissima