Flora of North America species comparison

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Arctostaphylos mewukka

Arctostaphylos andersonii

Indian manzanita

Anderson's manzanita, Santa Cruz manzanita
Habit Shrubs, erect, 1–3 m; burl present or absent; twigs glabrous or slightly hairy and sparsely glandular. Shrubs or trees, erect, (arborescent), 2–5 m; burl absent; twigs densely short-hairy with long, white, gland-tipped hairs.
Leaves

petiole 6–15 mm;

blade intensely gray- or white-glaucous, dull, orbiculate, orbiculate-ovate, oblong-ovate, or lanceolate-ovate, 3–7 × 2–7 cm, base rounded, margins entire, plane, apex acute or obtuse, surfaces smooth, glabrous.

bifacial in stomatal distribution;

petiole to 4 mm;

blade bright green, dull, oblong, 4–7 × 1.5–2.5 cm, base auriculate-clasping, margins entire, plane, surfaces smooth, glabrous.
Inflorescences

panicles, 2–7-branched;

immature inflorescence pendent, axis 2–3 cm, 1+ mm diam., glabrous or slightly hairy, sometimes glandular;

bracts tightly appressed, scalelike, deltate to linear-lanceolate, 3–6 mm, apex acute or acuminate, surfaces glabrous.

panicles, 4–6-branched;

immature inflorescence pendent, branches spreading, axis 2–3 cm, 1+ mm diam., densely short-hairy with long, white, gland-tipped hairs;

bracts not appressed, leaflike, lanceolate, 8–15 mm, apex acute, surfaces short-hairy with long, gland-tipped hairs.
Pedicels

4–8 mm, glabrous.

6–8 mm, finely glandular-hairy.
Flowers

corolla white, conic to urceolate;

ovary glabrous.

corolla white, conic;

ovary finely glandular-hairy.
Fruits

(dark mahogany-brown), globose, 12–16 mm diam., glabrous.

depressed-globose, 6–8 mm diam., finely glandular-hairy, (viscid).
Stones

distinct, sometimes connate.

distinct.
2n

= 26.

Arctostaphylos mewukka

Arctostaphylos andersonii
Phenology Flowering winter–early spring.
Habitat Chaparral, edges of open forests
Elevation 300-900 m (1000-3000 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Subspecies 2 (2 in the flora).

Arctostaphylos mewukka is found on the western slopes of the central and northern Sierra Nevada.

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

Of conservation concern.

Arctostaphylos andersonii is known from the central and southern Santa Cruz Mountains in Santa Cruz and Santa Clara counties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Burls present; leaf blades 2-4 cm wide, apex acute.
subsp. mewukka
1. Burls absent; leaf blades 4-7 cm wide, apex obtuse.
subsp. truei
Source FNA vol. 8, p. 421. FNA vol. 8, p. 432.
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. 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. 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. 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
Subordinate taxa
A. mewukka subsp. mewukka, A. mewukka subsp. truei
Name authority Merriam: Proc. Biol. Soc. Wash. 31: 101, plates 2, 3. 1918 , A. Gray: Proc. Amer. Acad. Arts 11: 83. 1876 ,
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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