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Yellow and Orange Wildflower Gallery

Daisy-like Flowers - Broomweed & Goldenrod

Asteraceae (Compositae) - Sunflower family

? Common Name **zy 12** Amphiachyris sp.

likely  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)

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Asteraceae (Compositae) - Sunflower family

? Common Name **zy 13** Amphiachyris sp.

Possible a young **zy 12**

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)

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Asteraceae (Compositae) - Sunflower family

? Common Name **zy 14** Amphiachyris sp.

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)

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)

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.

from Atlas of Vascular Plants

A. drancunculoides in Taylor county. Found in central and north central Texas and the west part of east Texas.

A. amoena not in Taylor county. Found throughout Texas, often in large populations in overgrazed areas.

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)

Texas Snakeweed Gutierrezia texana var. glutinosa (Gutierrezia glutinosa)

(Native of Texas, Edwards Plateau)

Texas Snakeweed Gutierrezia texana var. texana (Xanthocephalum texana)

(Native of Texas, Edwards Plateau, east Panhandle)

text from www.efloras.org

Annuals, perennials, or subshrubs, 10–150(–200) cm (4"-160" tall) (taprooted).

Stems: erect to ascending, usually branched, glabrous or papillate-scabrous to minutely hispidulous or scabro-hirtellous.

Leaves: basal (persistent or absent at flowering) and cauline; alternate; sessile or petiolate (decurrent); blades (1–5-nerved) linear to lanceolate or spatulate, margins entire (sometimes scabroso-ciliate), faces glabrous or minutely hairy, gland-dotted (sometimes obscurely), resinous.

Heads: radiate, borne singly or (3–6) in clusters or glomerules.

Involucres: cylindric to campanulate, (2–11.5 ×) 0.8–7.5 mm.

Phyllaries: 4–40 in 2–4 series (stramineous), 1- or 3-nerved, (sometimes strongly convex or keeled), ovate to lanceolate, unequal, bases white-indurate, margins narrowly scarious, abaxial faces glabrous or sparsely hispidulous or hirtellous.

Receptacles: flat to conic, pitted (hairy, hairs 1-seriate, swollen, apically hooked), epaleate.

Ray Florets: 1–30, pistillate, fertile; corollas yellow or white (laminae coiling).

Disc Florets: 1–150, bisexual, fertile, sometimes functionally staminate; corollas yellow or white, tubes shorter than funnelform throats, lobes 5, erect, short-deltate; style-branch appendages linear-lanceolate.

Cypselae: (light tan to purplish black) clavate or cylindric, not compressed, 5–8-nerved, hairy (glabrous in G. wrightii; hairs white, usually arising primarily from between ribs, appearing to occur in longitudinal lines, usually obscuring faces, apices acute or blunt with terminal cells slightly divergent, or clavate to bulbous);

Pappi: persistent or readily falling, coroniform or of 5–10 whitish, irregular, sometimes ± connate, often erose-margined, scales in 1–2 series (usually longer in discs than rays). x = 4.

Note: Species 28 (10 in the flora): w North America, w South America. Gutierrezia is recognized by its taprooted habit, gland-dotted leaves, small heads, receptacles with fimbriate pit borders, funnelform disc corollas, clavate-hairy cypselae, pappi coroniform or of scales, and base chromosome number of x = 4. Polyploidy is common but of little taxonomic significance; polyploids of different levels tend to be scattered through the range of a species, and populations often comprise mixtures of individuals of different euploid levels (M. A. Lane 1985).

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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