Flora of North America species comparison

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Arctostaphylos sensitiva

Arctostaphylos parryana

coinleaf manzanita, dwarf manzanita, glossyleaf manzanita

Parry manzanita, Parry's manzanita
Habit Shrubs, erect or mound-forming, 1–2 m; burl absent; bark on older stems red, smooth; twigs densely short-haired with longer gland-tipped hairs. Shrubs, prostrate, erect, or mound-forming, 0.5–2 m; burl present or absent; twigs sparsely to moderately short-hairy.
Leaves

bifacial in stomatal distribution;

petiole 1–3 mm;

blade light green abaxially, dark green adaxially, shiny, orbiculate to orbiculate-ovate, 1–2.2 × 0.8–1.8 cm, base truncate to ± lobed, margins entire, cupped, surfaces smooth, glabrous, midvein hairy.

petiole 5–10 mm;

blade bright green or gray-glaucous, usually shiny, sometimes dull, oblong-ovate to wide-elliptic, 2.5–5 × 1.5–2.5 cm, base obtuse to truncate, margins entire, plane, surfaces smooth, glabrous or sparsely puberulent.
Inflorescences

panicles, 4–8-branched;

immature inflorescence pendent, branches spreading, axis 0.5–1 cm, to 1 mm diam., densely short-hairy with longer gland-tipped hairs;

bracts appressed, scalelike, deltate, 0.5–2 mm, apex acute, surfaces glabrous.

panicles, 3–5-branched;

immature inflorescence pendent, branches spreading, axis 0.5–1.5 cm, 1+ mm diam., sparsely to moderately short-hairy;

bracts ± appressed, scalelike, deltate to wide-ovate, 2–4 mm, apex mucronate, surfaces glabrous.
Pedicels

3–5 mm, glabrous.

4–9 mm, glabrous.
Flowers

4-merous;

corolla white to pink, urceolate;

ovary white-hairy.

corolla white, conic to urceolate;

ovary glabrous.
Fruits

subcylindric, 3–4 mm diam., glabrous.

globose, 7–10 mm diam., glabrous.
Stones

distinct (breaking apart in mature fruit).

connate into single sphere.
2n

= 26.

Arctostaphylos sensitiva

Arctostaphylos parryana
Phenology Flowering winter–early spring.
Habitat Sandstone uplands in maritime chaparral or closed-cone conifer forests near coast
Elevation 100-600 m (300-2000 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Arctostaphylos sensitiva occurs in Marin, San Mateo, and Santa Cruz counties.

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

Subspecies 3 (3 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Leaf blades gray-glaucous, dull; burls present.
subsp. desertica
1. Leaf blades bright green, shiny; burls present or absent
→ 2
2. Burls absent.
subsp. parryana
2. Burls present.
subsp. tumescens
Source FNA vol. 8, p. 418. FNA vol. 8, p. 420.
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. purissima, A. rainbowensis, A. refugioensis, A. regismontana, A. rudis, 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. 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. parryana subsp. desertica, A. parryana subsp. parryana, A. parryana subsp. tumescens
Synonyms A. nummularia subsp. sensitiva, A. nummularia var. sensitiva
Name authority Jepson: Madroño 1: 85. 1922 , Lemmon: Pittonia 2: 68. 1890 ,
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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