Rosa stellata Wooton

Desert rose (en)

Species

Angiosperms > Rosales > Rosaceae > Rosa

Characteristics

Shrubs forming dense, low thickets. Stems erect, rarely arching, 2.5–8(–15) dm; distal branches densely pubescent, usually with, rarely without, stellate hairs, rarely glabrous, sometimes densely or sparsely sessile-or stipitate-glandular; infrastipular prickles paired or single, erect, rarely curved, 10–13 × 2.5–6 mm, sometimes with shorter internodal prickles and aciculi 0.5–5 mm. Leaves 2–3 cm; stipules 4–8 × 1–2 mm, margins ± entire, surfaces glabrous or tomentulose, sessile-or stipitate-glandular, sometimes eglandular; auricles obtuse, 2–3 × 1.5–2 mm, surfaces tomentulose, eglandular or glandular; petiole and rachis glabrous or pubescent, sparsely sessile-and stipitate-glandular, aciculi sparse, with or without glands; leaflets 3–5, terminal: petiolule 0.5–2 mm, blade obovate or deltate, 8–18 × 5–13 mm, margins broadly 1-or, rarely, multi-crenate, sometimes 1-serrate, glandular, teeth 3–8 per side on distal 1/2–2/3 of blades, apex acute or rounded, abaxial surfaces pubescent or tomentulose, rarely glabrous, ?eglandular?, adaxial dull to lustrous, glabrous or tomentulose. Inflorescences 1(or 2)-flowered. Pedicels 2–16 mm, setae absent or dense or few, ?to 3 mm, pubescent, rarely glabrous?, eglandular or stipitate-or sessile-glandular; bracts 0. Flowers 4–5 cm diam.; hypanthium cupulate, 2–5 × 3.5–6(–8) mm, puberulent or glabrous, setae ?subulate?, 1–6 mm, eglandular, rarely glandular; sepals erect, 12–20 × 4–5 mm, tip 3–5 × 1–2 mm, ?lobes lanceolate?, margins glandular, abaxial surfaces glabrous, basally setose, glandular; petals pink or dark pink, ?with strong almond fragrance?, 15–25 × 14–25 mm; stamens 175; carpels 60–110, styles exsert 1–2.5 mm beyond stylar orifice (4–5 mm diam.), rims 1 mm wide. Hips dull red (darkening with age), broadly subglobose or cupulate, 7–13(–18) × (7–)9–16(–18) mm, setae to 4 mm, puberulent or glabrous, stipitate-glandular. Achenes 10–15, dark, ± terete-elongate, 3.5–4.5 × 2 mm.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) 0.5 - 1.0
Mature height (meter) 0.65 - 1.05
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 6-9
Soil humidity 1-5
Soil texture 3-4
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 6-9

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) 30 - 365
Germination temperacture (C°) 12
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -18
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Rosa stellata unspecified picture

Distribution

Rosa stellata world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:222455-2
WFO ID wfo-0001006250
COL ID 78WGM
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Hesperhodos stellatus Rosa stellata Rosa vernonii Hesperhodos minutifolia subsp. stellata Rosa stellata subsp. stellata Rosa stellata var. stellata

Lower taxons

Rosa stellata var. mirifica Rosa stellata subsp. abyssa Rosa stellata var. erlansoniae