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Yellow and Orange Wildflower Gallery

Daisy-like Flowers - Broomweed & Goldenrod

Asteraceae (Compositae) - Sunflower family

? Common Name **zy 12**

probably  Prairie Broomweed Amphiachyris dracunculoides

Flower about 3/8" wide that grow profusely in loose clusters (compound corymb).  Plant 8"-18" tall, round  to 24" wide.  Stems are woody, multiple stems grow from base.

Photos taken in Taylor County, Texas, October 2002, September-October 2005

(Native of Texas)

Second Specimen

Asteraceae (Compositae) - Sunflower family

? Common Name **zy 14**

probably  Prairie Broomweed Amphiachyris dracunculoides

Flower about 3/8" wide that grow in loose clusters (compound corymb).  Plant about 24" tall.  Stems are woody.  Single, leafless, main stem can be over 12" long.  Leaves between main stem and second branching are much larger (2 1/2" x 3/8") than the linear leaves above (1" long).

Photos taken in Taylor County, Texas, October 2006

(Native of Texas)

Hunting Similar Species

Texas Broomweed Amphiachyris amoena (Xanthocephalum amoenum)

(Native of Texas - not in Taylor)

text from www.efloras.org

Plants: 20–40(–60) cm. (8"-16" tall)

Primary Stems: usually (2 –) 5 mm diam.

Leaf Blades: linear, rarely linear-lanceolate, 5–25(–35) × 0.2–1(–2) mm.

Flower: disk flowers are sterile (staminate only) with stamens not extending beyond the corollas

Heads: in open paniculiform arrays. Flowering late Sep–Oct.

Phyllaries: 3–4 × 1–2 mm.

Receptacles (where disk flowers grow from): with hooked, swollen-based hairs.

Achenes (Cypselae) (fruit): 2–3 mm, purple-black with 4–6 greenish ribs, covered in long bristles (setulose). 2n = 8.

Note: Calcareous soils and gravels on or near limestone outcrops; 0–650 m; Tex

Prairie Broomweed (Common Broomweed, Annual Broomweed) Amphiachyris dracunculoides

(Brachyris dracunculoides, Gutierrezia dracunculoides, Xanthocephalum dracunculoides, Xanthocephalum amoenum var. intermedium)

(Native of Texas - Taylor)

text from www.efloras.org

Plants: 30–100(–200) cm. (12"-40" tall)

Primary Stems: 0.3–1(–2) mm diam.

Leaf Blades: narrowly to broadly lanceolate, 5–60 × 0.5–6 mm.

Flower: disk flowers are sterile (staminate only) with stamens extending past the corolla

Heads: numerous in crowded corymbs. Flowering Jul–Nov.

Phyllaries: 2–3 × 1–2 mm.

Receptacles: (where disk flowers grow from) deeply pitted, glabrous.

Achenes (Cypselae) (fruit): 1.2–2.2 mm, purple-black with 7–9 greenish ribs, covered in short bristles (setulose). 2n = 10 (rarely 8)

Note: Calcareous, clay, or sandy soils, disturbed habitats; 0–500 m; Ala., Ark., Ill., Ind., Iowa, Kans., Ky., La., Miss., Mo., Nebr., N.Mex., Okla., Ohio, Pa., S.C., Tenn., Va.

Asteraceae (Compositae) - Sunflower family

Gumhead (Tatalencho) Gymnosperma glutinosum

Flowers grow in clusters (flat top).  Each flower about 1/4" long with very tiny ray petals, which makes them look unopened.  Plant shown is about 18" tall and appears sparse.  Leaves small and thin.  Sickly sweet aroma.

Photos taken in Taylor County, Texas, September 2005

(Native of Texas)

text from www.efloras.org

Shrubs: 50–150(–200) cm (glabrous, heavily resinous; taprooted).

Stems: erect, branched, resinous.

Leaves: cauline; alternate; sessile; blades (1- or 3-nerved, parallel in wider blades) linear to narrowly lanceolate, oblanceolate, or elliptic (bases decurrent), margins entire (minutely papillate-ciliolate, apices often recurving or slightly falcate), faces gland-dotted (in pits), resinous.

Heads: radiate, (sessile to subsessile) in compact glomerules, in terminal, corymbiform arrays, resinous.

Involucres: cylindro-turbinate to elliptic-obovoid, (3–3.8 ×) 1.5–2 mm.

Phyllaries: 7–12 in 2–4 series, 1-nerved (midveins not evident; convex) ovate to lanceolate, unequal, mostly completely whitish indurate, outer sometimes faintly green at tips, margins scarious, abaxial faces glabrous.

Receptacles: flat, pitted (glabrous), epaleate.

Ray florets: 4–9, pistillate, fertile; corollas yellow, few and inconspicuous rays

Disc florets: 4–6, bisexual and fertile, sometimes functionally staminate; corollas orange-yellow, tubes about equaling tubular-funnelform throats, lobes 5, reflexing-coiling, lanceolate; style-branch appendages lanceolate to narrowly oblong-lanceolate (papillate).

Cypselae: columnar or fusiform, terete or slightly compressed, 6–8-nerved (nerves barely evident on rays, usually completely subepidermal on discs), white-strigillose (hairs apically rounded-acute);

Pappi: essentially 0 or coroniform (less than 0.1 mm, margins erose or toothed). x = 4 or 8.

Note: It differs from Gutierrezia in its tendency to produce cylindric heads, glabrous receptacles, ray florets with short laminae, and more reduced pappi.

Hunting Similar Species

Asteraceae (Compositae) - Sunflower family

Snakeweed (Matchweed, Matchbrush, Kindling Weed) Gutierrezia sarothrae (Xanthocephalum sarothrae)

(Native of Texas)

Small-head Snakeweed (Threadleaf Snakeweed) Gutierrezia microcephala (Xanthocephalum microcephala)

Not quite as round a bush as G. sarothrae.  (Native of Texas, most)

Round-leaf Snakeweed (Roundleaf) Gutierrezia sphaerocephala (Xanthocephalum sphaerocephala)

Few ray petals, (Native of Texas, Edwards Plateau, Panhandle)

Asteraceae (Compositae) - Sunflower family

Texas Snakeweed Gutierrezia texana

Flower about 3/8" wide that grow profusely in loose clusters (compound corymb).  Plant shown is 6"-8" tall.  Stems are woody, multiple stems grow from base.  New stems have very narrow leaves.  Leaves become wider but always very linear.

Photos taken in Taylor County, Texas, October 2006

(Native of Texas)

Asteraceae (Compositae) - Sunflower family

Tall Goldenrod Solidago canadensis

Terminal branches are covered on one side by 1/8" wide flowers.    Long leaves up to 6" long.  Upright plant can grow to 8 feet tall.  Colonies grow from the roots.  Goldenrods are not wind pollinated so do not produce hay fever.  Flowers are a source for yellow dye.

Photos taken in Taylor County, Texas, September 2005

(Native of Texas)

Caryophyllaceae - Pink family

James' Nailwort Paronychia jamesii

Flower about 1/4" wide (no petals?) that grow in clusters.  Bracts are very pointed, opening from a tiny star to a large star.  Plant about 12" tall.  Stem looks like bamboo with reddish nodes.  Leaves are very thin.

Photos taken in Taylor County, Texas, August 2005

(Native of  Texas)

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