Flora of North America species comparison

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Arctostaphylos glutinosa

Arctostaphylos franciscana

Schreiber's manzanita

Franciscan manzanita
Habit Shrubs, erect, 1–2 m; burl absent; twigs sparsely to densely soft-hairy with some glandular hairs. Shrubs, prostrate or mat-forming, 0.2–1.5 m; burl absent; twigs gray-hairy.
Leaves

petiole to 4 mm;

blade glaucous, dull, oblong to oblong-ovate, 2–5 × 1–3 cm, base distinctly lobed, auriculate-clasping, margins entire, plane, surfaces smooth, gray-canescent, glabrescent.

petiole 3–5 mm, (eglandular);

blade bright green, shiny, oblanceolate, 1.5–2 × 0.5–1 cm, base cuneate, margins entire, plane, surfaces smooth, ± puberulent, glabrescent.
Inflorescences

panicles, 2–4-branched;

immature inflorescence pendent, branches spreading, curved, (obscured by bracts), axis 1.5–2.5 cm, 1+ mm diam., sparsely to densely soft-hairy with glandular hairs;

bracts not appressed, leaflike, oblong-lanceolate, 5–15 mm, apex acute, surfaces canescent.

panicles, 1–3-branched;

immature inflorescence pendent, (branches compact), axis 0.5–1 cm, 1+ mm diam., gray-hairy;

bracts appressed, scalelike (basalmost leaflike), awl-shaped, (concave when fresh), 3–4 mm, apex acute, surfaces glabrous.
Pedicels

5–8 mm, finely glandular-hairy.

2–6 mm, glabrous.
Flowers

corolla white, urceolate;

ovary densely long white-hairy, hairs often gland-tipped.

corolla white to pink, urceolate;

ovary canescent.
Fruits

depressed-globose, 7–14 mm diam., glandular-hairy, (viscid).

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

distinct.

distinct.
2n

= 26.

= 26.

Arctostaphylos glutinosa

Arctostaphylos franciscana
Phenology Flowering winter–early spring. Flowering winter–early spring.
Habitat Chaparral, closed-cone conifer forests Maritime chaparral, serpentine soils
Elevation 500- 700 m (1600- 2300 ft) 0-100 m (0-300 ft)
Distribution
from FNA
CA
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Of conservation concern.

Arctostaphylos glutinosa is found in chaparral and knobcone pine woodlands on Monterey Shale barrens near the Pacific Coast in a limited area of the central Santa Cruz Mountains on northern Ben Lomond Mountain in Santa Cruz County.

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

Of conservation concern.

Formerly found in the northwestern portions of San Francisco, Arctostaphylos franciscana is now extirpated from the wild and survives only in cultivation.

Arctostaphylos franciscana is in the Center for Plant Conservation’s National Collection of Endangered Plants as A. hookeri subsp. franciscana.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 431. FNA vol. 8, p. 425.
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. 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
A. andersonii, A. auriculata, A. bakeri, A. canescens, A. catalinae, A. columbiana, A. confertiflora, A. crustacea, A. cruzensis, A. densiflora, A. edmundsii, 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. hookeri subsp. franciscana
Name authority B. Schreiber: Amer. Midl. Naturalist 23: 620, plate 1, fig. 2. 1940 , Eastwood: Bull. Torrey Bot. Club 32: 201. (1905)
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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