Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Arctostaphylos sensitiva

Arctostaphylos montaraensis

coinleaf manzanita, dwarf manzanita, glossyleaf manzanita

Montara 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, erect or mound-forming, 0.5–5 m; burl absent; twigs densely fine-hairy with long, gland-tipped hairs.
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 to 2 mm;

blade light green, dull, ovate, 2.5–4.5 × 1.5–2.5 cm, base auriculate-clasping, margins entire, plane, surfaces ± scabrous, sparsely glandular-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, 4–6-branched;

immature inflorescence pendent, (branches densely clustered, sessile), axis 1–1.5 cm, 1+ mm diam., densely fine-hairy with long, gland-tipped hairs;

bracts not appressed, leaflike, lanceolate, 6–9 mm, apex acuminate, surfaces finely glandular-hairy.
Pedicels

3–5 mm, glabrous.

5–6 mm, finely glandular-hairy.
Flowers

4-merous;

corolla white to pink, urceolate;

ovary white-hairy.

corolla white, urceolate;

ovary finely glandular-hairy.
Fruits

subcylindric, 3–4 mm diam., glabrous.

depressed-globose, 6–7 mm diam., glandular-hairy, (± viscid).
Stones

distinct (breaking apart in mature fruit).

distinct.
2n

= 26.

= 26.

Arctostaphylos sensitiva

Arctostaphylos montaraensis
Phenology Flowering winter–early spring. Flowering winter–early spring.
Habitat Sandstone uplands in maritime chaparral or closed-cone conifer forests near coast Maritime chaparral
Elevation 100-600 m (300-2000 ft) 100-500 m (300-1600 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.)

Of conservation concern.

Arctostaphylos montaraensis grows mostly on granitic rocks at Montara Mountain and sandstones at San Bruno Mountain, northern San Mateo County.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 418. 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. 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. 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. nummularia subsp. sensitiva, A. nummularia var. sensitiva A. imbricata subsp. montaraensis
Name authority Jepson: Madroño 1: 85. 1922 , Roof: Four Seasons 2(3): 8, figs. pp. 8, 10, 11. 1967 ,
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).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

Choose a data source: Flora of North America

The species comparison tool is brought to you by:
Northwest Wildflowers